dbsibert's User Profile - Atlas Obscura
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Huehuetlán, Mexico

Sótano de las Golondrinas (Cave of Swallows)

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.
Daniel Campos, Bolivia

Uyuni Salt Flat

A seemingly endless landscape of pure salt stretches far across Bolivia.
Spanish Town, British Virgin Islands

The Baths

This huge pile of volcanic boulders hides a stunning network of secret grottoes.
Puerto Río Tranquilo, Chile

Marble Caves of Chile Chico

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.
Nariño, Colombia

Las Lajas Sanctuary

A dangling church built over a Colombian gorge.
Rosalie, Dominica

Wavine Cyrique (Secret Beach)

The hike to this stunning waterfall on a black sand beach is not for the faint of heart.
Delices, Dominica

Boiling Lake

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.
Banos, Ecuador

Swing at the End of the World

A swing to dangle you off the very edge.
San Antonio de Pichincha, Ecuador

Middle of the World

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.
Nicaragua

Cerro Negro

The youngest volcano in Central America.
Venezuela

Relampago del Catatumbo

This everlasting lightning storm may be the world's largest generator of ozone.
Crater Lake, Oregon

Old Man of the Lake

A vertically floating hemlock controls the waves and weather at Crater Lake.
Corinne, Utah

The Spiral Jetty

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.
Jacksonville, Florida

Jacksonville Interchange Spiral

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.
Aguas Calientes, Peru

Inca Bridge

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.
Gran Sabana, Venezuela

Mount Roraima

This "floating island" plateau sits 7,671 feet above the forest floor.
Luray, Virginia

The Great Stalacpipe Organ

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.
Marble Canyon, Arizona

The Wave

Rippling sand dunes frozen in the Arizona rock.
Inyo County, California

Sailing Stones of Racetrack Playa

The rocks in this arid basin leave trails of movement behind them.
Mecca, California

Salton Sea

The ghostly remains of an accidental sea.
Napa, California

Monticello Dam Morning Glory Spillway

The largest drain hole in the world.
San Francisco, California

The Wave Organ

A huge musical instrument played by the ocean.
Yosemite National Park, California

Horsetail Fall's Firefall

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.
Leasburg, Missouri

Canoehenge

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.