This annual Belgian water race attracts bathtub captains from all over the world.

Russia's own leaning tower was built on a tragic historical fable.

Replica of mosque destroyed by Russia in the 16th century.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

The remains of a sunken military ship wreck visible through clear water.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

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

An abandoned town of skeletal wooden homes.

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

Abandoned castle was once a grand example of Russian privilege, built exclusively to win a frivolous bet between noblemen.

A dormant lightning machine equal to all the power in Russia.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

When German-Iraqi relations broke down, this embassy was vacated post haste.

Surreal riveted sea forts once protected the Kent shores from German attack.

A man-made island fort that has housed soldiers, scientists, and ravers.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.