There are 429 items filed under geological oddities.

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

Reykjadalur

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
Vanuatu

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
Risoul, France

Plan de Phazy

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

Petrified Fountain of Réotier

This otherworldly French waterfall looks like its waters have turned to stone
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
Alto Paraíso de Goiás, Brazil

Vale da Lua

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy
18 Nov 2014
Chile Chico, Chile

Marble Caves of Chile Chico

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble
13 Nov 2014
San Jose, Costa Rica

Diquís Spheres

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments
13 Nov 2014
Forsand, Norway

Kjeragbolten

This giant boulder is pinched over a 1000-meter abyss by two mountains
10 Nov 2014
Rome, Italy

Monte Testaccio

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time
05 Nov 2014

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