A once-fairy tale mansion now stands in a state of disrepair.

The sculptural remains of the last home of a legendary Dada artist.

These curious rocks located in the Lake District include several strange inscriptions of famous names.

This charming English house was once the home of England's most famous poet.

A 2,000-ton rock resting in a state of a delicate balance.

Natural time capsule containing an alien ecosystem.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

The oldest house in the capital of Silicon Valley.

Three plaques mark the spot where the "forgotten father of broadcasting" worked.

The largest permanent Monopoly board makes one of the longest games even bigger.

It is locally loved and ridiculed for literally looking like poop.

It took years to decode its mysterious messages.

A huge enchanting public park just outside the ancient walls of Rome.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

Art and armour fill every inch of this rich kid's Italian villa.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

The secret medieval communication system will whisk your words above the noise of the crowd.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

The bomb-ravaged remains of of a colossal Neptune.