The spectacular history of spectacles on display.

An early 19th-century English style garden hidden in the Rotterdam cityscape.

Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

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

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

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Survival capsules find a second life as a unique hotel.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

The world's only museum devoted to the wonders of fluorescence.