A mysterious light of unknown origin on the backroads of Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

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

This curious, round temple is the oldest still-standing marble building in Rome.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

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

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

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

This ancient market is often referred to as the oldest shopping mall in the world.

A massive marble foot is tucked away in a small alley near the Pantheon.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

The middle finger of modernity.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

World's largest Christmas store.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

This charming candle shop has been in business since 1789.