St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Real bones which are said to have belonged to a Polish dragon.

This man-made mound monument was built out of soil from all across the Polish empire.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

The celebrated eyesore created by starry-eyed sweethearts.

This bridge was constructed from the rubble of the infamous Bastille.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

For over 300 years this little carving has been the city’s good luck charm.

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

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

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

The legendary giant's severed hand sits on Antwerp's popular shopping street.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

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

The history and future of cannabis.

Amsterdam's former hotspot for public executions and dissections.