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

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

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

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A village on the east coast of England that has almost completely eroded into the North Sea.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

Britain's oldest and biggest hole in the ground.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

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

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

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

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

This tangled English forest looks like something right out of a fairytale.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

A winding cave grotto walkway built to provide employment for veterans after World War I.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

This Roman quarry once held secret masses and smuggler's contraband and is now home to rare species of bats.