The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

Dedicated to the unsung history of human waste.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

Once overlooking the town, this church now resides on a permanent tilt.

This abstract sculpture once had a twin in Prague.

This fortress was designed to prevent a Nazi invasion but was never used.

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

An unusual heating plant that has garnered notoriety for its distinct shape.

Dedicated to the history of mining and minting in a region rich in silver and radium.

These small, brass stones commemorate the first Roma victims of the Holocaust.

Once home to artillery, this garden offers more peace today than it did during its war-torn past.

A striking, modern church devoted to a nun who loved God and beer.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A mansion where wonders of Christmas are celebrated all year long.

This quaint museum tells about more than just the birth of Jesus: "betlémy" are an important piece of Czech history.

A peculiar samurai statue overlooks the center of Brno.

Before building her own tombstone, an untrained artist created a concrete menagerie in her garden.

Locals say the stone that marks the spot where the gallows once stood can lead you astray.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

This strange statue depicts a young boy's body with an adult Mozart's head and a single wing.