A site of pagan worship which still attracts people looking for fairies.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

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

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

One of the world's largest collections of pathological specimens.

A mysterious artist-run cabinet of curiosities and library.

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

A little slice of Japan and its aesthetics in London's Holland Park.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

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

This 1920s Dutch barge is now a floating bookstore.

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

Catacombs turned marketplace.

Famously misunderstood wonder of the ancient world

The sign at the garden gate reads: "These Plants Can Kill."

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

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

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A 19th-century British industrialist built this Louis XIII–inspired chateau for his homesick French wife.