This East End pub gained notoriety as the site where gangster Ronnie Kray publicly shot a rival.

This London marker celebrates the spot where the world-famous English band was founded.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

The ritual has been performed uninterrupted for nearly 700 years.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A Roman spa buried deep beneath the City of London.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

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

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

Site of the first hot air balloon flight conducted by the first English balloonist.

The remnants of this unusual bridge await an uncertain fate.

This hidden 13th-century tavern room has a few Shakespearean connections.

The beams of the New College, Oxford dining hall come with an amazing story.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

One of Europe's oldest libraries.

The stoic structure boasts a whimsical set of stained glass art commemorating Lewis Carroll.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.