Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Amsterdam's former hotspot for public executions and dissections.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

The attic of a four-century-old canal house hides a clandestine church.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

A grassy pyramid named after a French battle.

At the base of this tower, a plaque marks the original center point of the Netherlands.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This annual harvest parade features intricate floats covered with fruits, vegetables, and seeds.

A collection of 4,000 thimbles that's more versatile than one might imagine.