Architectureal fantasy quarter of Rome.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

Pompeii's less famous neighbor is still revealing her secrets.

Deep in the Negev Desert, the world's tallest solar tower looks like a sight straight out of science fiction.

The abandoned shell of what would have been the Jordanian royal family's summer palace.

On holy holidays, Israel's second president used this room atop Mount Zion as a refuge to read the Torah.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

Sitting right on the border between East and West Jerusalem this modern art museum is in itself a symbol of Israel's hoped-for unity.

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

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

This abandoned airplane hanger is said to have once been a top secret launch facility.

Bridge that died in war and was resurected.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Books you don’t need in a place you can’t find.

Historic Greenpoint theater, turned roller disco, now housing a chain pharmacy store.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.