A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

A pagan tradition of draping trees with rags eerily lives on.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

London's old-school healing garden.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

A cluttered and astounding collection of antiquities and curiosities.

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

A perilous medieval road leading right into the sea.

A mysterious artist-run cabinet of curiosities and library.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

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

This 1920s Dutch barge is now a floating bookstore.

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

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

400-year-old garden, restored to beauty.

Remnants of a Victorian garden feature sitting in public woodland.

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

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

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

Spend the night in this formerly abandoned traditional Scottish village.