This iconic high-rise residential block was one of the last to be built in the Brutalist style.

Charles Babbage's proto-computer, painstakingly brought to life.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Catacombs turned marketplace.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

The final resting place of one of the most important figures in the world of tea.

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

The Bristol Camera Obscura housed in an ancient windmill.

A magnificent, iconic stone tower in the Scottish Highlands.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

The broken skateboards that became a poignant memorial to a murdered skater.

One family's environment-friendly hobbit-house in Wales.