A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

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

The world's most active stratovolcano is almost always erupting.

Holding the current title of "biggest chair in the world," it stands with little fanfare in Lucena, Spain.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

A Spanish town built into the cliffs.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A sulfuric hellscape in southern Italy.

Ancient snack bar of the Roman Empire re-opened.

Beautiful views and Roman-style statues on the Italian coast.

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

A mushroom-shaped outcropping that has come to be the symbol for an entire town.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.