1563 Items Tagged

Geology

Silver Falls State Park

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

A illustration imagines the aftermath of Earth's collision with Theia, and how the material ejected by it slowly began to reform into an orbital body.

Theia and the Collision That Gave Birth to the Moon

Evidence deep within the planet suggests that remnants of Earth's catastrophic twin might still lie below.

Robin George Andrews December 4, 2023

Glencolumbkille, Ireland

Clocha na hÉireann (Stones of Ireland)

A map made up of 32 different materials, representing Ireland's 32 counties.

What NASA Is Looking for in Yellowstone National Park | Untold Earth

Camp Century trench construction in 1960. Caption reads "Metal arch forms being emplaced over undercut trench."

Wonder Is Everywhere: Viking Hoaxes, a Secret Nuclear Ice Base, and More From Around the Web

Get a peek into what we’re obsessed with right now.

April White November 22, 2023

Klåveröd, Sweden

Snuvestuan (Cottage of the Hulder)

This cave at the base of an unusually shaped cliff is said to be inhabited by a mythical forest enchantres from Scandinavian folklore.

Ben Amera Monolith

The second largest monolith in the world was once betrayed by its lover, Ben Aicha.

Mount Ida, Arkansas

Avant Mining at Fisher Mountain

You can dig up your own crystals in the quartz capital of the world.

Danville, Pennsylvania

Montour Preserve Fossil Pit

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

Union, Kentucky

Diorama Pit at Big Bone Lick State Historic Site

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.

Sponsored by Meet Northern Kentucky

Dolores, Colorado

Memorial Rock

A boulder so big and tough, they had to turn it into a landmark.

Loyalton, California

Kyburz Flat

A Native American petroglyph, the site of an emigrants' waystation, and the ruins of an early 20th-century sheep camp are all found at this crossroads.

The Story Behind This Giant Rock in the Middle of a Field | Untold Earth

Vegacervera, Spain

Cueva de Valporquero

The spectacular geological formations make it one of the most impressive caves in Europe.

Longhorn Cavern

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

A large mineral column within a dark cave

Crystal Ball Cave and Bates Family Ranch

This prehistoric karst cave is situated near a working ranch and historic warm springs.

Lavender Pit

Bisbee, Arizona

Lavender Pit

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

Palm Springs, California

Tahquitz Creek Falls

At the western edge of Palm Springs, a rugged desert canyon trail leads to a waterfall at the base of the San Jacinto Mountains.