A modern sliver of architecture in Roma.

Architectureal fantasy quarter of Rome.

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

A Hungarian optometrist's charming collection of Asian art and curiosities.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

An islet filled with wooden houses where the open sea meets a lagoon.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.