There's an exclusive Beefeaters pub hidden in the Tower of London.

The final resting place to 300 Victorian-era pets hides inside the city park.

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

Eighty million natural history specimens call this gargantuan museum home.

A tribute to an explorer and naturalist often overlooked by history.

The bones of two medieval royal lions were discovered at the historic fortress.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

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

This striking statue brings a scene from the African savannah into central London.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

A Roman spa buried deep beneath the City of London.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A high-end clothing boutique with a curious basement art installation.

A famous burial ground with a history both grim and literary.

This hidden green space is the city's second largest conservatory.

Rebuilt remains of a temple to Roman god Mithras.

A building that survived WWII, possibly on the virtue of its name alone.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

The last four extravagant street signs of London's historic banking street.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

This small-town museum is dedicated to the original western movie mega-star.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.