A look into the life of a Victorian-era prisoner.

In 1977, an eccentric book lover formed a micronation for book lovers.

The remains of one of Wales’ great medieval buildings, with a pub in the cellar.

This 1776 beacon on the coast of Wales is said to have a ghost called Raymond, the last lighthouse keeper.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

This 500-year-old Tudor home is a treasure trove of history and mystery.

Go back 50 years with a turn on one of the park's carefully restored vintage fairground rides.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

The artist David Nash planted a circle of trees in 1977.

The remains of centuries of copper mining appear like an alien landscape.

These haunting ruins belong to an ancient village that once had one hell of a view.

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

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

A well-studied colony of endangered bats roosts in this abandoned Victorian Gothic mansion.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Some claim these desert ruins are from the legendary "Atlantis of the Sands."

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A crumbling hospital from the 1850s on Roosevelt Island.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

This modern monument to pagan belief looks like it was transported straight from ancient times.