Giant, friendly pelicans in Central London, the most unlikely of places.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The largest of London's subterranean rivers and once a mad, bad center of London life.

An artistic tribute to the famous singer, just around the corner from where he was born.

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

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

London's smallest police station is barely the size of a phone booth.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

Remnants of a Victorian garden feature sitting in public woodland.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

A hands-off space for graffiti artists to hone and display their skills.

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

Rebuilt remains of a temple to Roman god Mithras.

A student driver's nightmare.

One part local history, 99 parts gruesome haunted house.

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

Banksy gives themself artistic license with this piece of London street art.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Home to the longest wooden escalators in the world.

Once a training ground for Olympic athletes, this artificial ski slope has fallen into ruin after a fire in 2012.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.