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

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

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

One part local history, 99 parts gruesome haunted house.

Northern Ireland's Brobdingnagian stepping stones.

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

The atmospheric road was never meant to be so creepy.

A 30-acre garden inspired by the principles of modern physics.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The world's largest collection of witchcraft regalia.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.