This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

This miniature take on the Kremlin is one Dutch man's retirement project.

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

Colorful and chaotic stacked hotel in North Holland.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.

This historical Netherlands fortress still bears the marks of its single siege.

A miniature city, once ruled by the Queen of the Netherlands.

Amsterdam's former hotspot for public executions and dissections.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.