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

A church that bred legends, and served as an inspiration for the Da Vinci Code.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This tangled English forest looks like something right out of a fairytale.

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

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

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

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

Banksy's image of a naked man dangling from the window of a sex health clinic.

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

Its impressive still-working beam engine is a thing of beauty for engineering history fans.

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

This early version of the guillotine was used to execute the man responsible for its construction.

A tribute to the women who quietly kept the local steelworks alive during both world wars.

The world’s only museum dedicated to baked beans.

The longest stone bridge in England has an impressive history that dates back over 700 years.

A secret meeting in this small cottage changed the course of British history.