These two delightful animal-shaped buildings host a visitor center and wool shop.

Every color in the rainbow awaits.

The quintessential Japanese rock garden has existed for more than 500 years.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This cubist Vienna church building looks like some sort of alien stonehenge.

Peek through a transparent pyramid and drink in the mountain made of books.

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

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

The largest 19th century panorama in the world still in-situ.

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

Oldest Museum of the Netherlands is a true cabinet of curiosities.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

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

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

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

When the rain falls, this drain system turns into a musical instrument.

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

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

This incredible stone temple is a monument to death, victory, and fantasy architecture.

Retirement home for giant obsolete machines.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.