Largest lake in Great Britain measured by surface area.

This stately estate house features a tower covered in a bright, modern mural.

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

Fascinating town where normal life interfaces with the occult.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

This Scottish bridge seems to compel dogs to leap to their death.

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

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

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

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.

The heads of two giant mythological water horses honor Scotland's horselord past.

London's old-school healing garden.

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

A subterranean playground in an abandoned slate mine.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

The remains of Crystal Palace Great Exhibition of 1851.

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

400-year-old garden, restored to beauty.

This series of Scottish caves has no clear purpose other than baffling historians.

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