A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Hear the quietest sound from across the dome.

An incarceration museum on the spot of possibly the oldest prison in England.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Putting the "mod" in "modular" since 2000.

This sculpture of a pylon is upside down and askew, as if its main purpose is to confuse passersby.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

An abandoned faux-pub made famous by a Guinness commercial.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A living memorial to the trees London lost during the Great Storm of 1987.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

This aging storage facility is the world's largest brick warehouse.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

The medieval woodcut-style artwork chronicles life in medieval London.