This foolish Victorian sea fort was converted to a deluxe hotel.

Public access to clean drinking water was an instant hit among the masses.

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

Fascinating town where normal life interfaces with the occult.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A network of concealed passageways lies within a busy London Underground station.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This London plaque marks the spot where David Bowie's famous alien made his debut.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Museum about life, death, and cannibalism in the Stone Age.

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

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

Repository for more than 22 million pickled specimens.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Surreal riveted sea forts once protected the Kent shores from German attack.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.