This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

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

Check the time in 145 countries at once with this East German relic.

An Amsterdam School landmark combining a museum and social housing.

This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

No shoes allowed on this trail, which is designed to be experienced barefoot.

The world’s first interactive human body museum also serves as a chair for a giant orange man.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

This windmill has been grinding pigments for traditional paints for more than 200 years.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

The mirrored section takes the shape of Hebrew characters when viewed from above.

A nomadic museum known for its art exhibitions about religion and faith.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A beautifully eclectic mix of architectural styles.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A museum dedicated to the history of the diamond trade in the Netherlands.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Home to the world's oldest functioning orrery.

The 20-mile causeway that separates the Netherlands from the sea.