This beach runway is off limits during high tide.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

This charming railway is one of the oldest and steepest funiculars in England.

Where the sleeping monsters of Scotland's oil industry are left to rust.

The largest known medieval map of the world.

The Liverpool street made famous by the Beatles is real.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

A 550-square-meter micro-nation off the coast of Britain.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

Taxidermied animals galore, by appointment only.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

One family's environment-friendly hobbit-house in Wales.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

Scotland's only funicular railway is also the United Kingdom's highest.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This foolish Victorian sea fort was converted to a deluxe hotel.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.