This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

A lavish Victorian mansion wound up inheriting a gruesome reputation that would be its demise.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

This tallest folly in the world began its life as an elaborate factory chimney.

This tiny traditional smokehouse is the only one left in this historic fishing port.

The curious and tiny collection contains some very odd objects.

Legend says squeezing into this slender stone seat will make your wish come true.

This plaque commemorates an amazing 19th-century sea rescue.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

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

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

Lewis Carroll's White Rabbit or something else altogether?

Believed to be the longest railway bench in the world.

Britain's tallest megalith towers over the cemetery of a quiet English village.

Protecting the dead from opportunistic body snatchers.

360° views of the city plus five floors of optical illusions and hands-on science.

A rare and unique example of an 18th-century door latch calls this restaurant home.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

The town of Argleton has a postal code and appears on maps and even real estate listings, yet it does not exist.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

Once upon a time these giant concrete tanks were used by local fishermen to clean their wild-caught mussels.

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

The largest known medieval map of the world.