This sandwich shop has a century-old elevator behind a sheet of plexiglass.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A fernery hidden by neglect is uncovered, and an ancient specimen along with it.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

This Scottish burial tomb once held hundreds of ancient eagle bones.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Follow the original medieval paths that wind through this intriguing section of the city.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

Macbeth's infamous "Great Birnam Wood."

Hidden in a Scotland museum is a copse of extinct tree stumps.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

Three bridges straddle a stream, one stacked upon the other.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.