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

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A Roman spa buried deep beneath the City of London.

This small collection of rare books was uniquely locked up for safe keeping.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

A museum wholly devoted to juvenescence.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

The remains of the great moral philosopher reside in a university in London.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Once a train station along the Great Eastern Railway this vibrant coffee shop and bar is where members of London’s creative class mingle.

Ship-sized kinetic sculptural fantasy.

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

A friendly pub with a sordid past in cock fighting.

Explore nearly 400 years of English middle-class home life.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

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

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

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

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."