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

Jesus' footprints and the first catacombs in the world.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

2300-year-old Roman road connecting the empire.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The underground sanctuary of a mysterious ancient cult.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A Nesting Doll of Churches.

These spartan apartments are provided to clergymen visiting Vatican City.

If you want to talk to the Pope you will have to stare down this surreal vision of Jesus rising from a nuclear hell.

A hidden workshop for creating and restoring Papal mosaic masterpieces.

Breathtaking and huge 430 year old maps of Italy.

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

The giantess welcomes travelers to a small Saskatchewan town with a traditional Slavic greeting of bread and salt.

Wisconsin's most celebrated export gets the royal treatment on I-94.

When flour explodes, it's not a pretty sight.

The magic's in the hole!

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Location of the Real World's disastrous, and protested, eleventh season.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

Hot Doug's "Hot Dog" Stand.