The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Walk behind a 50-meter-high waterfall.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This declassified Cold War bunker hosts a large collection of Swedish aircraft.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The place to be if you love vintage Swedish cars.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

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

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

The prototype for all Nazi concentration camps.

An electrical pylon under whose legs a normal gauge train can run.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

Site of one of World War I's most horrific scenes.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

Trek up this glacier before it disappears.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.

Walk through living pictures and music in the Cathedral of Images.