Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

The "dragon babies" of southeastern Europe.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

A section of the long chain that blocked enemy ships from entering Constantinople.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Mediterranean castle on a tiny Turkish island.

The ancient latrines of the Greeks, in all their public glory.

Ancient serpentine sacrifice holder that has stood the test of time.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A fountain standing as a testament to a doomed alliance.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The most metal church of all time was built in record time because of an international, pious pissing contest.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

1513 Turkish world map, full of European state secrets and snarky commentary.