This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

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

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

The longest hedge maze in the world.

Famously misunderstood wonder of the ancient world

A haunting painting meant to capture the calamity of World War I.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

A masterpiece of Art Deco architecture hidden in plain sight in West London.

Heralded as the oldest statue in London.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

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

The medieval woodcut-style artwork chronicles life in medieval London.

The pockmarks across the building's facade are remnants of the Blitz.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

Putting the "mod" in "modular" since 2000.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

The commemorative stone column conceals a secret laboratory.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

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

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.