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

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

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

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

Hear the quietest sound from across the dome.

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

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

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The longest hedge maze in the world.

A student driver's nightmare.

An unusual round church in London with a Templar past.

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

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

Famously misunderstood wonder of the ancient world

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

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

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

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

A Mars simulation in the southern Utah desert.