The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

A pub that is literally in the middle of nowhere, but continues to do business.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

These fantastically named natural pools look like something out of a Scottish myth.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A very classy 1920s-era bar right in Grand Central Station.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

Once a prosperous mining village, this tiny Taiwanese town is now overrun with cute cats.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

A student driver's nightmare.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Hidden beneath the streets of London is a secret subway that only carried mail.