A musical instrument played by the sea.

An abandoned water park overtaken by the dunes.

The ruins of this old church are slowing sinking into the sand.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

A huge musical instrument played by the ocean.

Remains of military submarines built in secret jungle factories by the Tamil guerrillas' naval wing.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Staves, storm-calling, and of course, necropants.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

Time capsule of a museum, in which the Soviet Union remains alive and kicking.

A boulder carved into the shape of the cosmonaut's head.

An entertainment center in a huge transparent tent.

One of the most horrible legacies of the Cold War is a site where the Soviet Union tested nuclear bombs on civilians.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

World's oldest and largest space launch facility, once a secret missile testing site.

Rusting ships sit in a desert where a sea used to be.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A massive underwater sinkhole made famous by Jacques Cousteau.

This dark, damp, perilous tunnel is the only passage from north to south Tajikistan.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

This cavernous swimming spot doubles as a home to the largest known colony of bats in Central Asia.

A fiery crater has been burning in the Karakum Desert since 1971.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.