Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This ancient theater was once the home of fierce gladiatorial battles.

This bridge was constructed from the rubble of the infamous Bastille.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Avant garde house of Pierre Cardin on the Cote d’Azur.

Science fiction's grandfather has a fittingly marvelous tomb.

Historic medieval fortified city in southwest France.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

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

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

The narrow passages will challenge even the bravest driver.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

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

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Danish whalers once brought back whale bones to use as building materials in places where wood was scarce.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

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

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

This spooky statue sits outside a famous Prague theater.