There are 435 items filed under geological oddities.

Touchet, Washington

Twin Sisters

Legend says that these tall basalt pillars are the petrified wives of a trickster god
08 Oct 2015
Civita di Bagnoregio, Italy

Civita di Bagnoregio

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode
22 Sep 2015
Tiptonville, Kentucky


Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds
16 Sep 2015
Emilia-Romagna, Italy

Salse di Nirano

Italy's curious field of mud volcanoes is named for being both gross AND salty
15 Sep 2015
Afton, Wyoming

Intermittent Spring

A miraculous natural phenomenon known as "the spring that breathes"
09 Sep 2015
North Adams, Massachusetts

Natural Bridge State Park

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s
28 Jul 2015
Trinidad and Tobago

Piparo Mud Volcano

The site of a devastating modern-day mud volcano eruption that buried parts of a village
08 Jul 2015
Mono County, California

Hot Creek Geological Site

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water
10 Jun 2015
Leiden, Netherlands

Leiden Stones

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law
09 Jun 2015
Hveragerði, Iceland


Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds
12 May 2015
Calistoga, California

California's Old Faithful

California's own majestic geyser is powered by a subterranean volcano
30 Apr 2015
Sauve, France

La Mer de Rochers

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle
03 Apr 2015

Ambrym Island

Plains of ash and pair of semi-active volcanoes contribute to the otherworldly beauty of this little-known Vanuatu island
30 Mar 2015
Bodø, Norway

Red Beach at Mjelle

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles
24 Mar 2015
Staffordshire, England

Lud's Church

This haunting stone chasm is a hotbed of mossy rock and English legend
17 Mar 2015
Clare, Ireland

Doolin Cave

This controversial Irish show cave is home to a massive formation known as the Great Stalactite
04 Feb 2015
Spanish Town, British Virgin Islands

The Baths

This huge pile of volcanic boulders hides a stunning network of secret grottoes
28 Jan 2015
Marudi, Malaysia

The Pinnacles of Gunung Mulu

These jagged limestone blades cut out through the canopy of the jungles of Borneo
28 Jan 2015
Waiotapu, New Zealand

Devil's Bath

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site
15 Jan 2015
Fitchburg, Massachusetts

Rollstone Boulder

In order to save this beloved rock, locals blew it up and put it back together piece by piece
19 Dec 2014
Saratoga Springs, New York

Petrified Sea Garden

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto
16 Dec 2014
Réotier, France

Petrified Fountain of Réotier

This otherworldly French waterfall looks like its waters have turned to stone
12 Dec 2014
Risoul, France

Plan de Phazy

Since ancient times these picturesque hot springs have been providing bathers with healing waters
12 Dec 2014
Calhan, Colorado

Paint Mines Interpretive Park

The colorful clay that once provided pigment for American Indian pottery still looks like natural psychedelia
09 Dec 2014
Akko, Israel

Rosh HaNikra Grottoes

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car
27 Nov 2014
Gerlach, Nevada

Fly Geyser

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder
22 Nov 2014
Belize City, Belize

Great Blue Hole

A massive underwater sinkhole made famous by Jacques Cousteau
22 Nov 2014

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