There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

Murals of the wild parties once held on the frozen River Thames.

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

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

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

What was once England's second-richest abbey is now a haunting ruin.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

This long-distance walking route follows the Prime Meridian line as it passes through England.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Grotto replete with mystical designs laid out in glued shell mosaics.

This ruined 15th-century hermitage is steeped in myth and mystery.

England’s ancient oak tree has such an impressive girth, people have been hosting parties within the hollow trunk for centuries.

The view from this giant Stone Age toad is unexpectedly beautiful.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

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

Long-secret natural history museum, featuring the skull of a "Terror Bird."

Legend says this cave housed a 16th-century cannibal and his family of 48.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

The preserved left hand of a saint once known as "the Pearl of York."

The final resting place of England's most notorious bandit.

A deserted medieval village where bodies were once mutilated to prevent them rising from the dead.

Lewis Carroll's White Rabbit or something else altogether?

This mummified mermaid corpse is an aquatic curio that was eventually revealed to be a fake.

A house of bones — but nobody is quite sure to whom they belong.