713 Items Tagged

Geological Oddities

Durango, Colorado

Pinkerton Hot Springs

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

Xerri’s Grotto

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

Ninu’s Cave

In 1888, a resident of Xagħra, Malta, discovered a small underground chamber filled with stalactites and stalagmites when digging a well.

21 Caves That Offer Otherworldly Experiences

From subterranean haunts filled with glowing larvae to the oldest cave system in the world.

Jonathan Carey May 31, 2024

Deakin, Australia

Deakin Anticline

This fascinating and unusual geological formation dominates a suburb of Canberra.

Jons Kapel (Jon's Chapel)

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

Mexican Hat, Utah

Mexican Hat

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

Big Bend National Park, Texas

Balanced Rock

This gravity-defying rock formation is one of Big Bend’s natural wonders.

Sponsored by Travel Texas

Duvauchelle, New Zealand

Ōnawe Peninsula

A peninsula on a peninsula that becomes an island at high tide.

Ishpeming, Michigan

Jasper Knob

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

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?

Gruta de las Maravillas (Cave of Wonders)

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

Souris, Prince Edward Island

Singing Sands Beach

A walk along this white sand beach creates a symphony.

Bontoc, Philippines

Kaman-utek Blue Soil

Hues of distinctive blue to bluish-green color the slopes of these hills.

Pasil, Philippines

Sulfur Hills of Pasil

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

Niter Ice Caves

Niter Ice Cave

A lava tube cooled to form this long tunnel that stays chilly even at the height of summer.

Caiguna, Australia

Caiguna Blowhole

One of the breathing caves of Australia's Nullarbor Plain.