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

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

The once-a-day siren is a reminder of the days before time was standardized.

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

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This stately bank building hides a spectacular star-studded ceiling.

This Arcadian garden in the Pentland Hills boasts over 270 artworks by Scottish artist and poet, Ian Hamilton Finlay.

The secret wartime bunker built on the platforms of an abandoned Tube station.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This grave resides at the crossroad of three parishes.

Hidden in plain sight, this creepy sculpture watches from above.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

The sculpture of the deceased cockatoo flops atop its personal plinth.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

The world's oldest optical museum is an odd collection where the exhibits look at you.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.