This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

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

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The first archaeological site discovered by aerial photography.

A curious structure built just for the birds.

Home to the most complete dodo remains known - one head, and one foot.

The fairy tale castle of the "fairy-tale king."

The anatomical-pathological collection of a man who changed surgery.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

Museum celebrating the history of computers, especially their role in codebreaking.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The sign at the garden gate reads: "These Plants Can Kill."

A perfectly running 230-year-old silver automaton and music box.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Europe's largest prehistoric mound – burial site of a legendary king?

Eyam took steps to quarantine themselves and keep the plague from spreading.