There are 319 entries of Geological Oddities in the Atlas

Mirny, Russia

Mirny Diamond Mine

The world's second largest hole
25 Nov 2008
San Jose, Costa Rica

Costa Rican Stone Spheres

Baffling rock formations from an earlier era
26 Feb 2010
Victoria Falls, Zambia

Devil's Swimming Pool

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls
03 Dec 2008
Pennsylvania

The Sonorous Stones of Ringing Rocks Park

Mysterious rocks that ring musically when struck
29 May 2010
Mandalgovi, Mongolia

Booming Dunes of Badain Jaran Desert

The tallest stationary dunes on Earth also happen to sing
02 Jan 2010
Death Valley National Park, California

The Sailing Stones of Racetrack Playa

The stones of Racetrack Playa leave trails of movement, yet no one has ever seen them move
01 Sep 2011
Ball's Pyramid, Australia

Ball's Pyramid

This barren sea spire is home to the world's rarest insect
16 Apr 2010
Ouadane, Mauritania

Richat Structure

A geological bull's-eye visible from outer space
08 Jan 2009
Hawai'i Island, Hawaii

Curtain of Fire

An erupting wall of magma
06 Nov 2009
Bolivia

Salar de Uyuni, Bolivian Salt Flat

A seemingly endless landscape of pure salt stretches far across Bolivia
20 Jan 2010
Alghero, Italy

Neptune's Grotto

Stalactites and stalagmites in a beautifully lit cave
14 Jun 2012
Greece

Sami

A spectatular cave and a beguiling lake
13 Jan 2009
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