What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Baroque celebration of the end of the Great Plague of Vienna.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This small Slovenian town has become a magnet for microbreweries.

The monument honors the mountaineers who were part of Europe’s best anti-Nazi forces.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

The venerated body of a 12th century saint is celebrated each year with the 'Race of the Candles.'

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

The prototype for all Nazi concentration camps.

Striking occult iconography on a medieval German church.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Daily jousts and dancing barrel makers in Munich's mechanical clock.