The first modernist church in Europe.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The solemn exterior conceals an opulent interior of this 17th century church.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Double spiral staircases are not unheard of, but they are very rare.

An exquisite Baroque church in Vienna's old town.

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

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The topiary maze at the Habsburg hunting lodge.

The beautiful baroque library of the Hapsburg empire.

The narrow passages will challenge even the bravest driver.

Despite finally receiving electricity in 1970, this tiny town is now deserted.

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

An unassuming historical marker for an iron age fort leads you to an oddly adorned cemetery for unbaptized children.

A carved bench marks the Scottish cave that inspired the classic adventure novel "Treasure Island."

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

An optical Illusion once believed to be an electrical phenomenon.

This modern labyrinth lies in the shadow of a ruined medieval castle.

Not quite the menace it once was, this monster still has some chops.

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.