1647 Items Tagged

Geology

Nebraska National Forest

From Prairie Grasslands to Man-Made Forests: Discover Nebraska's Natural Wonders

From a subterranean network of hidden tunnels to the largest man-made forest in the country, the wonders of nature are extraordinary.

Sponsored by Nebraska Tourism

Pomona, Illinois

Pomona Natural Bridge

A natural sandstone bridge nestled within a mature forest in southern Illinois.

Ewing, Virginia

Sand Cave

Erosion has transformed this sandstone boulder into a massive dune-filled cavern.

Mexican Hat, Utah

Mexican Hat

This balancing rock is one of Utah's most unusual geological formations.

A stone wall stretches into the distance in Harpswell, Maine, one of thousands that together, by volume, are larger than the Great Wall of China, Hadrian's Wall, and the Pyramids of Giza combined.

Why New England's Stone Walls Are Unlike Any Others

Bigger than the Great Wall of China, Hadrian's Wall, and the Pyramids of Giza combined, the region's ubiquitous stone walls are also a unique ecological habitat.

Robert M. Thorson April 15, 2024

Valley Falls, Oregon

Lake Abert

Oregon's only closed-basin hypersaline lake, an important stopover for migrating waterfowl, is in danger of drying up completely.

Ishpeming, Michigan

Jasper Knob

A small mountain made entirely of banded iron stone overlooking downtown Ishpeming.

Summer Lake, Oregon

Fremont Point

Stay in an old lookout cabin atop Oregon's spectacular Winter Ridge.

Valley Falls, Oregon

Abert Rim

This spectacular fault escarpment, a popular hang-glider launch point, extends some 30 miles long and towers about 2,500 feet over the valley floors to the west.

How This Cave Formed Upside Down | Untold Earth

Laconia, Greece

Pyramid on Mount Taygetos

The top of the holy mountain for the ancient Spartans looks like a pyramid—is it man-made or a natural phenomenon?

Thermopolis, Wyoming

Hot Springs State Park

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

Gruta de las Maravillas (Cave of Wonders)

An underground spring in a labyrinthine cave system, decorated with stalagmites and stalactites.

Keck Museum

The original building of a mining school endowed by one of the barons of the Comstock Lode now houses a museum of earth science and mining history.

Jessieville, Arkansas

Coleman Mine

Crystal hunters can dig for their own stones at this DIY mine in Arkansas’ quartz belt.

A wall of sandstone with a small opening

Covington, Indiana

Portland Arch

One of Indiana's only natural sandstone arches is nestled between resort ruins and an old Boy Scouts camp.

Pasil, Philippines

Sulfur Hills of Pasil

This steaming, yellow-tinged landscape is filled with sulfur-encrusted volcanic vents.

Podcast: Boston’s Blue Hill

This iconic hill offers more than just stunning views—it offers a peek back into the history of weather reporting.

The Podcast Team February 19, 2024