This castle resides in a valley known for immense bloodshed during the Middle Ages.

An impressive Neolithic henge with banks nearly 10 feet high.

Though this large circular site is now named for the legendary king, its history dates back to the Neolithic era.

A series of idealized caves carved to entertain guests.

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

These remarkable cascades are the jewels of Upper Tees.

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

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

Home to the longest wooden escalators in the world.

A giant piece of cutlery designed to remind us about the origins of our food.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This gorgeous space is England's largest independent library outside of London.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

A famous pilgrimage site that remains hidden in the midst of a city.

The largest timber structure in Europe.

Huge winged monument in the United Kingdom.

The world’s oldest surviving single-arch railway bridge.