The perfectly preserved underground rooms where Churchill plotted the war against Germany.

London's smallest police station is barely the size of a phone booth.

The wreckage of an old coastal trading vessel is only visible at low tide.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Where thousands of slaves passed through the "Door of No Return."

The clever workshop that has been designing some of the most unusual coffins imaginable.

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

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

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

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Old Danish castle immortalized in Shakespeare's Hamlet.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

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

Danish observation tower designed to look like a giant beer bottle.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

This Danish park has celebrated the American independence day since 1912.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This huge industrial sculpture looks like a UFO and a factory had a baby.

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

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.