The only surviving leech house in the United Kingdom was a home for bloodsucking worms until the 1900s.

A vast archive of cultural artifacts collected from numerous expeditions across Africa and Asia.

An English explorer's vast natural history collection has the first realistic dioramas of animals staged in their natural habitats.

A small stone monument marks the spot on Stavely Road where the first of hundreds of missiles touched down during World War II.

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

The English Civil War began right here in 1642.

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

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

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

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

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

A real Hawker Hunter jet in the middle of Basingstoke.

The walls of this village church are decorated by two unique religious works of art.

Alongside its 16th- and 17th-century architecture and interiors, this mansion houses an Ancient Roman ring that some believe may have inspired J.R.R. Tolkien.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

According to legend, this tomb holds the secrets to time travel.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

Before firefighters, villagers relied on this simple hook to save their thatched cottages from a fiery doom.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

This secluded walkway overlooks a magnificently wild London green space.