Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A hidden three-foot-wide house separates these two regal churches.

The fairy tale castle of the "fairy-tale king."

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

A public urinal so pretty, it was declared a national monument.

Architectureal fantasy quarter of Rome.

Architectural monsters are devouring this palace's every door and window.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

The oldest known university in the world is in Fez, Morocco.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The designated Jewish quarter in Fez dates back to the 15th century.

Founded as a refugee camp, now a popular tourist spot.

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

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

Kyiv's answer to Muscle Beach is a Soviet-era gym made from scrap metal.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

This elaborate temple was built around one of the Buddha's teeth.

A Bohemian "anti-hotel" offers off-kilter stays in Sri Lanka.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.