This massive monument was unveiled the day Kosovo declared independence from Serbia.

A futuristic, brutalist masterpiece that is also strangely prison-like.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

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

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

A UFO-shaped event building originally intended to be a science museum showcasing the future.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

The only quarter of the Old City not dedicated to a major world religion.

This full-sized orange tree lives suspended in mid-air above the streets of Jaffa.

A "miracle" that seems to produce more holy fistfights than holy revelations.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.