A collection of biblical memorabilia.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

A grassy pyramid named after a French battle.

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

An idyllic hotel that gave its name to a supposed shadow government.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

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

This artificial ring island was built to hold cubic tons of polluted dirt.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

This giant wire frame man sculpture is crouched in contemplation.

The struggle of a small Dutch island against the sea.

Building Men of War and Indiamen from Holland's Golden Age.

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

While most bridges allow roads to pass over water, this one allows water to pass over a road.