Tucked in the back of this amazing antique store is an important piece of medical history.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

On Japan's Tashirojima Island, cats are king.

A crumbling hospital from the 1850s on Roosevelt Island.

Rippling sand dunes frozen in the Arizona rock.

An exquisite tunnel of cascading flowers.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Massive installation of Europe's negative stereotypes.

The 14th-century ruins are said to contain healing powers.

A giant interactive periodic table with real samples of the elements.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

Enormous sandstone towers loom within a Czech forest.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”