According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

Once a bustling fishing village and trading post, today these Cape Verde ruins provide a home only for seabirds and turtles.

Macabre astrological automaton clock dating to the late 1400s.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

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

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

This "floating railway" is one of the world's oldest monorail systems.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Largest illuminated advertisement sign in the world.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Bacteria and algae give the salty water its bubblegum hue.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

The two massive guns that defended Cartagena Bay.

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

One part local history, 99 parts gruesome haunted house.