These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

The oldest inn in England served brew to the crusaders.

The English Civil War began right here in 1642.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

The longest stone bridge in England has an impressive history that dates back over 700 years.

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

This industrial gem was one of the earliest examples of a metal-framed building.

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

Seat of the Duke and Duchess of Devonshire for centuries.

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

A historic Georgian building and warm springs.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

Children’s timeless joy is remembered in the fast-developing Myeongdong district of Seoul.

The headquarters of Korea’s provisional government later became the site of a prominent statesman's assassination.