1059313's User Profile - Atlas Obscura
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Marble Canyon, Arizona

White Pocket

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.
Lake Powell, Utah

Cathedral in the Desert

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.
Pine, Arizona

Tonto Natural Bridge

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.
Nevada

Seven Keyholes Slot Canyon

An unusual slot canyon in the Aztec/Navajo Sandstone has a cross-section like an inverted old-fashioned keyhole.
Irondale, Missouri

Devil's Honeycomb

Some of the oldest exposed rock formations in the United States.
Navajo Mountain, Utah

Rainbow Bridge National Monument

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.
Nevada

Tufa Cave

A large wave-cut shelter, a major archeological site, overlooks the dry basin of Winnemucca Lake.
Glenwood Springs, Colorado

Hanging Lake

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.
Gypsum, Colorado

Dotsero Crater

Colorado's only active volcano last erupted around 4,000 years ago.
Port Renfrew, British Columbia

Big Lonely Doug

Saved by a logger, this Douglas fir is one of the last great old-growth trees in Canada.
Quinault, Washington

Quinault Giant Sitka Spruce

Standing 191 feet tall and measuring more than 55 feet in circumference, this is the world's tallest spruce tree.
Port Angeles, Washington

Olympic Hot Springs

Rustic natural hot springs in the deciduous rain forest.
Forks, Washington

Hall of Mosses

Stroll through a wonderland of stupendous moss-covered trees.
Baker, California

Afton Canyon

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.
San Bernardino County, California

Searles Lake

This sun-scorched lakebed contains samples of half the natural elements known to humankind.
Three Rivers, California

Glowing Millipedes of Sequoia National Park

These millipedes glow not out of attraction, but as a not-too-subtle warning.
Sequoia National Park, California

General Sherman

Quite simply the largest tree in the world (by volume).
Three Rivers, California

Moro Rock

Four hundred granite steps were built into this massive rock by the National Park Service.
Yosemite National Park, California

Horsetail Fall's Firefall

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.
Sponsored by Visit California
Lee Vining, California

Black Point Fissures by Mono Lake

Deep vertical fissures like miniature slot canyons cut across the cemented volcanic rock of Black Point above Mono Lake.
Lee Vining, California

Mono Lake

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.
Lee Vining, California

Panum Crater

A volcanic cone that formed over 600 years ago.
Mammoth Lakes, California

Devils Postpile National Monument

Towering basalt columns, a creation of fire and ice.
June Lake, California

Obsidian Dome

A natural dome made of volcanic glass in Inyo National Forest.