Home to the most complete dodo remains known - one head, and one foot.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

After funding was cut for a memorial to the Danish author, the sculptor had his statue ceremonially lowered into the city harbor.

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

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

This legendary dessert was served to Nobel laureates for decades.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

An abstract representation of weather in Sweden.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

An architectural oddity hides in plain sight on this iconic London bridge.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

An ancient hotspot for spotting schools of fish.

This coffee shop lies hidden beneath a historic church.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

An unusual round church in London with a Templar past.

One part local history, 99 parts gruesome haunted house.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.