This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

Home to the longest wooden escalators in the world.

The designer of this railway tunnel added a birthday present for himself.

Isaac Newton's former home, where the famous apple tree still stands.

Hundreds of huge, centuries-old horseshoes adorn the walls of this nontraditional 12th-century castle.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

A circle stone within a stone circle.

A rotting air force base is now home to rare birds and scarce plants.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

The graveyard with the highest IQ in Britain.

An ornate aviary built during the Victorian trend of collecting exotic birds.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

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

Set amid the remains of a secret WWII airfield, this barn was preserved as a memorial to Allied agents who parachuted into Europe.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

The wreck of a B-29 Superfortress now stands as a memorial left in the moors.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

After this beloved Cambridge character passed away, the community raised funds to provide him with a proper gravestone.

This unassuming passageway played a key role in one of the most important events in U.S. history.

Over a thousand musical instruments are on display, from bagpipes and harpsichords to drums and the sinuous serpent.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.