Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This unassuming building produced some of the world's most famous bells.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

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

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A student driver's nightmare.

A museum that chronicles the interesting and often dark history of the London docklands, once one of the major trading ports of the world.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

A monolithic monument in Greater London.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

Stroll through Welsh history in a village of reconstructed structures.

Recently restored menagerie of Victorian-era beasts.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”