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

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Museum of amazing old toys and automata.

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

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

The most visited, and possibly most controversial, museum in Germany.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Giant topiary dog once played a role in a terrorist bomb plot.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The oldest Roman lighthouse still in use.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

Cliffside houses provide a spectacular view from their perch above the valley.

Two large posteriors in one giant statue.