Geological Oddities

The mystery of this small, brick pond eluded its possibly only investigator until his death.

Climb right into the heart of this colorful Iceland volcano.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

These muddy eruptions are less deadly than actual volcanoes but also more holy.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

This blowhole is supposedly caused by a trapped monster.

This rocky spread has been squeezed up directly from the bowels of the earth.

This large round boulder is said to emit spiritual power, but it may just be magnets.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Are these prehistoric metal pipes evidence of alien plumbers? Nope, but they are amazing nonetheless.

Alien rock formations grown from the sands of an Australian national park.

Italian cave with exceptional acoustics and an unsavory history.

This Canary island is a quintessential example of nature’s beauty, and its unbridled fury.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.