Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This grand gothic brewery has been pumping out suds for over a hundred years.

The site of the climactic scene from the classic horror film is now a historic landmark.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

Famously misunderstood wonder of the ancient world

The largest stone circle in the world has ended up bringing up more questions than it has answered.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

An avant-garde artist is survived by his seaside garden.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A collection of early 19th century trams set in a reconstructed period village.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

The ancestral home of beloved English poet Lord Byron has a bizarre history.

The oldest inn in England served brew to the crusaders.