The largest greenhouse in the world is home to over one million types of plants.

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

A unique waterfall that some believe attracts the fairfolk.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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

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

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

London's smallest police station is barely the size of a phone booth.

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

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

400-year-old garden, restored to beauty.

A fantastic castle rumored to be the birthplace of King Arthur.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Spend the night in this formerly abandoned traditional Scottish village.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

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

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

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

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

The longest hedge maze in the world.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.