On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

The precise origins of this pink sandstone temple are unknown.

Ride the rails on a train harkening back to a 19th-century marvel.

This abandoned Victorian-style house was built in 1884.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Religious dwelling in a Spanish volcano.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

This 600-year-old home seems to defy physics.

The world's biggest pet store.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

"The most colorful grottoes of the world.

A strange rock formation with numerous legends trying to explain it.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A fairy tale castle in modern Rome.

David Sedaris called it "The greatest shop in the world."

Italian cave with exceptional acoustics and an unsavory history.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.