Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

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

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

One of seven Jewish catacombs in Rome and one of only two open to the public.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

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

The final resting place of the poets Shelley and Keats.

2300-year-old Roman road connecting the empire.

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

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

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

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The resting place of a Civil War celebrity's amputated limb.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

This charming candle shop has been in business since 1789.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.