The Most Spectacular Geographic Features on Earth to See

1.See a Lava Flow

Molten rock erupting and oozing across the land in glowing orange rivers that cool into black rope-like crust — Hawaii's Kilauea and Iceland are classic places to witness it.

2.See a Lava Lake

A churning, glowing pool of molten rock in a volcanic crater — one of only a handful on Earth, a primal cauldron of fire visible from the rim.

3.See a Volcano

A volcano is a vent-built mountain where molten rock breaks the surface, often a perfect snow-capped cone like Japan's Fuji or smoking, lava-glowing Etna and Kilauea.

4.See a Geyser

A geyser is a hot spring that erupts in scalding columns of steam and water, like Yellowstone's Old Faithful or Iceland's Strokkur, blasting skyward on a thrilling natural clock.

5.See a Waterfall

A river plunging over a cliff edge in a roaring curtain of whitewater and mist — from thundering Iguazu and Niagara to the slender ribbon falls of Norway's fjords.

6.See a Fjord

A deep glacier-carved sea inlet where sheer cliffs plunge straight into dark water, like Norway's Geirangerfjord or New Zealand's Milford Sound, breathtaking from the waterline.

7.See a Glacier

A slow river of dense blue ice grinding down a valley, cracked with crevasses and calving into the sea — from Alaska's Mendenhall to Patagonia's Perito Moreno.

8.See an Iceberg

A massive chunk of freshwater ice calved from a glacier, drifting with nine-tenths hidden underwater, glowing electric blue off Greenland, Iceland, or Antarctica.

9.See a Slot Canyon

A narrow, sinuous gorge carved deep into sandstone by flash floods, where towering glowing-orange walls nearly touch overhead — like Arizona's Antelope Canyon.

10.See a Coral Reef

A living mosaic of corals built over millennia, blazing with fish and color beneath clear shallows — from Australia's Great Barrier Reef to the Red Sea.

11.See a Tepui

A sheer-walled tabletop mountain rising from the jungle like a lost world, its summit veiled in cloud and crowned with waterfalls plunging into the void.

12.See an Active Lava Fountain

A roaring jet of incandescent lava shooting hundreds of feet into the air — the most violent, mesmerizing fireworks nature stages.

13.See a Caldera

A vast bowl-shaped basin left when a volcano's emptied magma chamber collapsed, often cradling a lake or steaming vents — like Oregon's Crater Lake or Yellowstone.

14.See a Volcanic Crater

A bowl-shaped depression blasted or collapsed at a volcano's summit, often cradling a steaming vent or jewel-blue lake like Oregon's Crater Lake or Mount Fuji.

15.See a Hot Spring

Geothermally heated water surfacing as steaming pools, often ringed with vivid mineral terraces or jewel-toned algae — from Iceland and Yellowstone to Japan's snow-rimmed onsen.

16.See a Sea Stack

A sea stack is an isolated pillar of rock left standing offshore as waves erode a headland's cliff away, dramatic from Australia's Twelve Apostles to Scotland's Old Man of Hoy.

17.See a Cavern

A vast underground chamber dissolved from limestone, hung with stalactites and stalagmites — think Carlsbad or Slovenia's Postojna — where your voice echoes into darkness.

18.See a Karst Tower

A steep limestone pinnacle left when surrounding rock dissolved away, rising abruptly like a sheer green spire above flat plains in Guilin, China and Vietnam's Ha Long Bay.

19.See a Natural Arch

A freestanding rock span carved by erosion, where wind and water hollowed a window through solid stone—Utah's Delicate Arch and Portugal's sea arches are unforgettable.

20.See a Hoodoo

A hoodoo is a tall, top-heavy spire of soft rock capped by a hard boulder; thousands cluster like a stone forest in Utah's Bryce Canyon.

21.See a Monolith

A monolith is a single colossal mass of bare rock rising abruptly from flat ground—like Uluru in Australia or El Capitan in Yosemite—massive, sheer, and unforgettable.

22.See a Salt Flat

A vast mineral plain left by an evaporated lake, blinding white and tiled in salt-crust polygons — like Bolivia's Salar de Uyuni, a mirror after rain.

23.See an Erg

An erg is a vast sea of wind-sculpted sand dunes, like the Sahara's Erg Chebbi, where ridges of orange sand roll to the horizon in rippling crescents.

24.See a Cenote

A natural sinkhole where limestone bedrock has collapsed to reveal startlingly clear groundwater below, like the jungle-ringed swimming pools of Mexico's Yucatán Peninsula.

25.See a Blue Hole

A perfect dark-sapphire circle of deep water in a shallow turquoise sea, a drowned cave system that looks like a bottomless eye in the ocean.

26.See an Atoll

A ring of coral reef and low islands encircling a turquoise lagoon, often barely above the waves — think the Maldives or French Polynesia's Bora Bora.

27.See a Sand Sea Dune Field

An ocean of towering star-shaped dunes stretching to every horizon, sculpted into rippling crests that glow orange at dawn.

28.See a Crater Lake

An impossibly blue lake cradled inside a collapsed volcano, its still water mirroring the sky in a ring of caldera walls.

29.See a Canyon

A deep, steep-walled gorge carved by a river through rock, exposing colorful banded layers — like Arizona's mile-deep Grand Canyon or Peru's Colca.

30.See a Mountain

A landmass rising steeply far above its surroundings to a rocky or snow-capped summit, like the jagged Alps, Himalayas, or the Tetons towering over a valley floor.

31.See a Peak

A peak is a mountain's pointed summit, and a sharp, isolated one like the Matterhorn or Japan's snow-capped Mount Fuji dominates the horizon for miles.

32.See a Marble Cave

Swirling polished marble walls sculpted by waves over millennia, glowing in shifting blues above crystal water you can boat right into.

33.See a Tufa Tower

Eerie calcium-carbonate spires rising straight out of an alkaline lake, an otherworldly forest of mineral pinnacles.

34.See an Ice Cave

A glowing blue cathedral carved inside a glacier, where ancient compressed ice filters daylight into electric sapphire.

35.See a Glacial Lagoon

A mirror-calm lake studded with luminous blue icebergs that have calved from a glacier and drift slowly toward the sea.

36.See a Granite Dome

A vast bald sweep of polished granite arching into the sky, a single seamless monument of rock that dwarfs everything around it.

37.See a Travertine Terrace

Cascading white mineral pools stepping down a hillside like frozen waterfalls, brimming with steaming turquoise thermal water.

38.See a Rainbow Mountain

Hillsides banded in stripes of crimson, gold, turquoise and lavender mineral layers, like a geological sunset painted into the rock.

39.See a Sea Cave

A cave gouged into a coastal cliff by relentless wave action, often booming with surf and glowing with refracted light, from Scotland's basalt-columned Fingal's Cave to Capri's Blue Grotto.

40.See a Cliff

A sheer vertical rock face plunging from headland or mountain to sea or valley below, like Ireland's Cliffs of Moher or Norway's Preikestolen, dizzying and unmistakable.

41.See a Cave

An underground void carved by water through rock, where you step from daylight into echoing dark past dripping stalactites and flowstone, like Slovenia's Postojna or Vietnam's Son Doong.

42.See a Lava Tube

A cave-like tunnel drained by flowing lava, where you can walk through smooth, ropy basalt corridors left behind by eruptions in places like Iceland, Hawaii, and Lanzarote.

43.See a Sinkhole

A collapse where bedrock dissolved and the ground gave way, like Mexico's blue-water cenotes or Croatia's Red Lake, a sheer void plunging into the earth.

44.See Rapids

Rapids are turbulent stretches where a river surges over boulders into roaring white standing waves and froth — thrilling on the Colorado through the Grand Canyon or Zambezi below Victoria Falls.

45.See a Cascade

A waterfall that tumbles in stepped tiers down a rocky staircase rather than a single drop, foaming white over ledges like the Cascade Range or Plitvice's terraced falls.

46.See a Sea Arch

A natural rock archway where pounding waves have punched clean through a coastal headland—think Portugal's Algarve or Australia's Great Ocean Road, framing the sea through stone.

47.See a Natural Bridge

A rock span carved where a river or waves punched clean through solid stone, leaving an arch you can stand beneath — like Utah's Rainbow Bridge.

48.See a Rock Spire

A slender, near-vertical pinnacle of harder rock left standing as softer surroundings erode away, like Utah's Monument Valley or the Dolomites' jagged towers piercing the skyline.

49.See an Arête

An arête is a knife-edge mountain ridge carved where two glaciers gnaw opposing valleys, like the dramatic Striding Edge in England's Lake District or Switzerland's jagged Alpine crests.

50.See a Cirque

An amphitheater-shaped bowl carved by a glacier into a mountainside, with sheer headwalls cradling a tarn lake—dramatic in the Pyrenees' Cirque de Gavarnie or the Scottish Highlands.

51.See a Hanging Valley

A tributary valley left perched high above the main valley floor after glaciers carved deeper, often pouring out a dramatic waterfall — Yosemite's Bridalveil Fall is a classic.

52.See an U-shaped Valley

Carved by a vanished glacier, this valley has steep parallel walls and a broad flat floor—unmistakable in Yosemite or Scotland's Glen Coe, very different from a river's V.

53.See Badlands

Bare, water-carved hills of soft sedimentary rock striped in pink, ochre, and grey, eroded into spiky ridges and gullies — like South Dakota's Badlands.

54.See a Sand Dune

A wind-sculpted hill of loose sand with knife-edge crests and rippled flanks, towering hundreds of feet in deserts like the Sahara, Namibia, and Death Valley.

55.See a Lava Dome

A steep, bulging mound of thick lava too viscous to flow, piled up over its vent — like Mount St. Helens' crater dome or France's Puys, often steaming and prone to collapse.

56.See a Fumarole

A vent where volcanic steam and sulfurous gases hiss from the ground, staining rocks yellow and clouding the air, as at Iceland's Hverir or Yellowstone.

57.See a Mudpot

A bubbling, blurping pool of acid-cooked clay where gases burst through hot mud, like the gray paint-pots of Yellowstone and Iceland's Hverir.

58.See a Lagoon

A shallow body of water cut off from the open sea by a reef or sandbar, glowing turquoise over white sand — think Bora Bora, the Maldives, or Venice's tidal lagoon.

59.See an Inselberg

An inselberg is an isolated rock hill rising abruptly from a flat plain, like Uluru in Australia or Brazil's Sugarloaf, unmistakable and monumental.

60.See an Oasis

A startling pocket of palms and water amid sterile desert, like Huacachina in Peru or the dunes of the Sahara, where springs turn sand suddenly green.

61.See a Blowhole

A sea cave where surging swells force seawater up through a rock vent, firing a roaring jet skyward — spectacular at Hawaii's Halona or Australia's Kiama.

62.See a Gorge

A deep, steep-walled valley a river has sawed through rock, narrower and craggier than a canyon — think Greece's Samaria or Yangtze's Tiger Leaping Gorge.

63.See a Wetland Mangrove Forest

A labyrinth of stilt-rooted trees rising from glassy water, a primeval green maze teeming with wildlife you can paddle through.

64.See a Volcanic Black Sand Beach

A shore of jet-black volcanic sand meeting white surf, often studded with basalt sea stacks — a stark, dramatic coastline.

65.See a Painted Desert

Endless badlands banded in lavender, rust and rose, a softly glowing landscape that shifts color with the moving sun.

66.See a Tarn

A tarn is a small mountain lake cradled in a glacier-carved hollow, often mirror-still and startlingly blue or green, ringed by bare rock high in ranges like the Lake District or the Sierra Nevada.

67.See a Glacial Erratic

A house-sized boulder dropped in the middle of nowhere by a vanished glacier, balanced absurdly far from any rock like it belongs to.

68.See an Archipelago

A chain or cluster of islands scattered across the sea, like Greece's Cyclades or the granite-and-spruce isles of Stockholm, mesmerizing from a ferry deck or clifftop.

69.See a Mountain Pass

A low saddle where a road or trail threads between two peaks, like Switzerland's Furka or Colorado's Independence Pass, opening sudden valley-to-valley views across the divide.

70.See a Valley

A low trough carved between hills or mountains by a river or ancient glacier; the U-shaped, sheer-walled glacial valleys of Yosemite and the Alps are the most jaw-dropping to stand in.

71.See a Mesa

A flat-topped highland with steep cliff sides and a broad tabletop summit, capped by hard rock — picture the sweeping red bluffs of the American Southwest like Mesa Verde or Monument Valley.

72.See a Butte

A butte is an isolated flat-topped hill with steep, near-vertical sides standing alone above the plain, like the iconic sandstone towers of Monument Valley.

73.See a Plateau

A flat-topped highland rising sharply above the surrounding land, like the sheer-walled mesas of the American Southwest or South Africa's Table Mountain crowned by clouds.

74.See an Escarpment

A long cliff-like step where the land drops sharply between two levels, like South Africa's Drakensberg or the Niagara Escarpment, slicing a hard line across the horizon.

75.See a Ridge

A long, narrow crest of high ground where two slopes meet, like the knife-edge aretes of the Alps or Scotland's Aonach Eagach, drawing the eye along the skyline.

76.See a Sea Cliff Stack Colony

Towering sea cliffs alive with hundreds of thousands of nesting seabirds, a vertical wall of wings, noise and ocean spray.

77.See a Wadi

A dry desert valley or streambed that stays parched until flash floods roar through it — carved canyons like Jordan's Wadi Rum glow red between towering sandstone cliffs.

78.See a Playa

A playa is a flat, dried-up desert lake bed, often a blinding-white crust of cracked mud or salt stretching dead-level to the horizon, as at Death Valley's Racetrack or Bolivia's Uyuni.

79.See a River Delta

Where a river fans into the sea, it splits into a maze of branching channels and sediment islands—the Nile, Ganges, and Mississippi sprawl for miles in green fingers.

80.See a Lake

A lake is a body of standing inland water filling a basin — from mirror-still alpine tarns reflecting the Canadian Rockies to vast Lake Baikal, the deepest on Earth.