Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

Pompeii's less famous neighbor is still revealing her secrets.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Jesus' footprints and the first catacombs in the world.

2300-year-old Roman road connecting the empire.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This giant fiberglass sunfish welcomes visitors to Onalaska, Wisconsin, the "Sunfish Capital of the World."

Brussels' favorite peeing boy has a sister.

Christ's blood allegedly preserved in a Belgian town.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

Chicago’s last original drive-in restaurant is a family-run hot dog joint that started in 1948.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The world's largest collection of the world's largest objects is in one small Illinois town.