In the fictional world of Kcymaerxthaere, standing at this site just outside Vienna, Austria, the sky would have been found beneath your feet.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Dine amidst exotic plants at this former royal greenhouse.

The beautiful baroque library of the Hapsburg empire.

Macabre museum devoted to historical Viennese murders.

A British Commonwealth cemetery in the heart of Milan, with 421 allied soldiers died during World War II.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

A fairy tale castle in modern Rome.

Roman politician Herodes Atticus built this nymphaeum to honor his wife, whom he may have murdered.

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

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

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Looming communist pillar with a Czech twist.

This former quarry is now a picturesque gorge that hides a sunken lake.

Bohemian paradise covered in majestic forests.

Microscopic scenes; some call it novelty, some call it art.

Europe's second largest ossuary wasn't discovered until 2001.

An eerie, derelict amusement park in Berlin.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.