The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

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

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

This Manchester laundromat is hiding something.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

Roman-era ships unearthed...

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

The world's most remote airport.

This large round boulder is said to emit spiritual power, but it may just be magnets.

This was once the center of the Birdman cult, and is now a World Heritage Site.

The largest stone moai on Rapa Nui.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

Repository for more than 22 million pickled specimens.

The monster at the center of the Darwin Center Spirit Collection.

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

The curios of pharmacist and collector Henry Wellcome.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

Used as an example in one of the first dictionary entries for "museum" in 1706.

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

The largest known medieval map of the world.

The world's smallest movie theater runs on solar power—an attraction in itself.