These ruins have been linked to a sherbet factory that exploded, but the story may be entirely fictional.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

A contemporary art installation housed within a Gothic cathedral.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

A relic from a forgotten bakery chain still spins atop a diner.

Known as the Royal Palace of the Euganean Hills, this often overlooked castle has been home for multiple noble families over the centuries.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

A 14th century castle built on the seat of a mighty giant.

Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

This famous church is adorned by a mural commemorating the independence of Vatican City.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This generously endowed statue once stood guard outside a Roman home.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

The giant birds honor two native North American species.

Inside this park resides a giant clock tower and ancient sundial that overlook the town below.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

The 1852 novel "Uncle Tom's Cabin" lends its name to a subway station, a street, and several shops on the edge of Berlin.