On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

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

The atmospheric road was never meant to be so creepy.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Northern Ireland's Brobdingnagian stepping stones.

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

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."