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

The middle finger of modernity.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The world's longest known cave system.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

What is it about mushrooms that makes people wish they lived inside of them?

Where beautiful signs live on forever.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Resting place of Hollywood's immortals is also site of summer film screenings.

The record holder for the world’s largest peach.

This structure among the trees was the result of divine inspiration.

This quirky local sculpture is quite literally a fish out of water.

Victorian-era Egyptomania left its mark on this Nashville landmark.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.