Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Microscopic scenes; some call it novelty, some call it art.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A 200-year-old collection of oddities and medical paraphernalia.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This spooky statue sits outside a famous Prague theater.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The North Carolina grounds are leased in perpetuity to the British Commonwealth for as long as the WWII sailors are buried there.

A burial vault located under Tiber Island in the middle of the Italian capital.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This large, circular tomb is the final resting place of the first emperor of Rome.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A collection of objects supposedly singed by the hands of souls in purgatory.