This community on a small Venetian island has taken to painting their houses in bright neon hues.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

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

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

The topiary maze at the Habsburg hunting lodge.

Handsomely crafted representations of our round planet.

This former insane asylum now holds a pathological anatomy museum.

Macabre museum devoted to historical Viennese murders.

The beautiful baroque library of the Hapsburg empire.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The final resting place for the remains of 143 Habsburg royalty.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A tongue-in-cheek arcade where the games are based on everyday life.

A fantastic castle rumored to be the birthplace of King Arthur.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The sign at the garden gate reads: "These Plants Can Kill."

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The sign announces the Scottish village's cosmic connections, as it's twinned with Glenelg, Mars.

The last manually operated turntable ferry in the world.