One of the oldest medical collections in Europe focusing on rare surgical instruments.

This massive library holds what was once the largest book collection in the world.

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."

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

The spot where the two men ate together now stands enclosed in glass.

This church devoted to Mexico's "dead saint" is a festive celebration of a formerly hidden religious figure.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

A church dedicated to the Mexican skeleton saint.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

Museum dedicated to awful artwork.

Home to three historic ships from the age of Vikings.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

The largest whale museum in Europe allows visitors to walk among life-size giants.

The oldest church in Iceland is one of the few to feature ornate decoration.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

A public display of random paleontology.

Nordic giants resurrected from the sea and restored to their former greatness.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Old Danish castle immortalized in Shakespeare's Hamlet.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.