A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

The gutted remains of this Estonian mansion are a monument to a tragic love.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

Mysterious craters may have been home to an ancient cult.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

"There's nothing there," and other lies the KGB told us.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

Two massive boulders, rocking back and forth with the ebbing of the sea.

Despite finally receiving electricity in 1970, this tiny town is now deserted.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest stone house in Paris was built by its most famous alchemist.

France's most famous cemetery, with some of its most curious tombs.

Abandoned railway line circling the city of Paris.

Notorious artist squat renovated into legal studios.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Ruins of a German Castle on top of a towering stone pillar.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.