An American ghost town hides along a side street in Scotland's capital.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

This museum inside a museum tells the story of London's timepieces.

Decrepit Victorian public lift is a white-knuckle ride.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

A mysterious bridge over a sunken Roman road.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

The secret wartime bunker built on the platforms of an abandoned Tube station.

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

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

A remarkable medieval structure born from a 14th-century disaster.

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

An eccentric aristocrat brought these Australian natives to their current Scottish home.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

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

19th century tunnels burrowed under Liverpool.

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

This small museum in a 17th-century building honors three iconic Scottish writers.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

Long-secret natural history museum, featuring the skull of a "Terror Bird."