Geological Oddities

Dean's Blue Hole

The world's deepest known blue hole

Plunging to a depth of 663 feet (202 meters) in a bay west of Clarence Town on Long Island, Dean's Blue Hole is the world's deepest known blue hole. A blue hole is a term that is often given to... »

Natural Wonders, Watery Wonders, Geological Oddities, Curious Caves | Edited by TrevorShawnElia

Annapurna

Named after the Goddess of Harvests, Annapurna is the deadliest member of the Eight-thousanders club

There are 14 independent peaks that make up the “Eight-thousanders”, an elite group of mountains that tower more than 8,000 meters (26,247 ft) above sea level, all of which lie in the Himalayan... »

Natural Wonders, Geological Oddities, Dead Explorers | Edited by Rachel, Seth Teicher and others

Lava River Cave

The longest continuous lava tube in Oregon

The Lava River Cave, located 12 miles (19 kilometer) south of Bend on the east side of Highway 97 and part of the Newberry National Volcanic Monument, is a prime example of a lava tube. Measuring... »

Natural Wonders, Geological Oddities, Curious Caves | Edited by TrevorShawnElia

Mabua Pebble Beach

A unique and stunning beach home to a multitude of multi-sized pebbles.

Mabua Pebble Beach, located 30 minutes from the city center of Surigao, is unique among many of the Filipino beaches due to its multitude of smooth white pebbles that make up its shoreline.... »

Natural Wonders, Geological Oddities | Edited by TrevorShawnElia

Lake Abbe

A salt lake dotted with steaming limestone chimneys

Situated in the middle of the hot and hellish Afar Depression, Lake Abbe stretches six miles in width and is covered in clusters of massive, steam-blasting limestone chimneys. Although Lake... »

Natural Wonders, Martian Landscapes, Geological Oddities | Edited by serflac and atimian

Hot Water Beach

Handcrafted thermal spa washes away each night with the tide

Although the average hot tub costs a couple thousand dollars, Hot Water Beach allows people to carve their own thermal hot tub right on the beach in New Zealand. With just a few thrusts of a... »

Natural Wonders, Watery Wonders, Geological Oddities | Edited by atimian

Chimborazo

Massive volcano in the Andes is the farthest point from earth's center

At 29,029 feet above sea level, Mount Everest is the highest mountain in the world. But despite Everest's massive peak, Chimborazo in the Ecuadorean Andes is the farthest point from the center of... »

Natural Wonders, Geological Oddities | Edited by atimian

Kuklica

Stone pillars and a petrified wedding party in the Macedonian hills

Grouped together in a tiny area of just 74 acres, 120 massive stone pillars stand at attention and have stood there for 100,000 years. Or, depending on your beliefs, since a local woman cursed her... »

Natural Wonders, Geological Oddities | Edited by serflac and atimian

Beachy Cove, Canada

Flowerpot Island

Little island known for its massive beachfront "flowerpot" pillars

Towering over the shining blue waters of Lake Huron are two massive pillars that resemble flowerpots. Cracked and shaped into two perfect flattened posts, the flowerpots are allegedly the... »

Anomalous Islands, Geological Oddities | Edited by atimian

Alabama's Natural Bridge

150-foot-long rock bridge, too fragile to walk over

Amidst blindingly green foliage and stunning rock formations is Alabama's Natural Bridge, a sprawling sandstone and iron ore bridge formed over 200 million years ago. Set in Natural Bridge... »

Geological Oddities, Curious Caves | Edited by heavychevy13, atimian and others