This unique bridge physically lifts a piece of the road into the air to let boats pass by.

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

A UFO-shaped event building originally intended to be a science museum showcasing the future.

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

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

Colorful and chaotic stacked hotel in North Holland.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

A floating cat sanctuary on an Amsterdam canal.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

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

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

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

The highest waterfall in Italy is only "turned on" five times a year.

Windblown rock formations in an ancient Roman quarry.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

These delicate sand pyramids look like naturally occurring gothic spires.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

A sulfuric hellscape in southern Italy.