Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

A museum based on the collection of a Victorian family. Housed in a remaining Victorian villa.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'

Legends say that this Art Deco apartment building almost became Hitler's British headquarters.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

Amazing collection of folly buildings in Cobham, Surrey.

An architectural oddity hides in plain sight on this iconic London bridge.

A domino effect created with Britain’s iconic telephone boxes.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The curios of pharmacist and collector Henry Wellcome.

An unusual round church in London with a Templar past.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The taxidermied remains of a once-great parrot.

Taxidermied animals galore, by appointment only.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A cluttered and astounding collection of antiquities and curiosities.

The remains of Crystal Palace Great Exhibition of 1851.