Where Venice's gondolas go for a tune-up.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Two stone columns flank the grand Venice square, but there were supposed to be three.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

An unusual sand beach in the middle of a forest.

The world's largest reflecting pool is just two centimeters deep.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

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

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

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

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

A small house sits between two huge rocks, with its back to the sea.

The precise origins of this pink sandstone temple are unknown.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.