These abandoned Cold War-era bunkers are now a designated refuge for endangered bat species.

Unique Armenian monastery from the 13th century, reclaimed by nature but still welcoming visitors.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

A plaque pays tribute to the artist's longtime London home.

The curios of pharmacist and collector Henry Wellcome.

As seen in the Spice Girls ‘Wannabe’ music video.

This sculpture encompasses the emotion of rail travel.

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

This 1920s Dutch barge is now a floating bookstore.

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

This South London cemetery holds the remains of more than 15,000 people.

This hand-painted advertisement is a literal sign of encouragement, however unintentional.

This sprawling, Brutalist estate feels like a city within a city.

A quiet memorial to those who died saving others in the heart of the City of London.

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

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

Artists and musicians now rule over this former rail station.

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

This ancient Egyptian obelisk still bears the wounds of World War I.

An unusual round church in London with a Templar past.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

A secluded green oasis amidst the towering skyscrapers, bears an unusual moniker that reflects one of the city's oldest guilds.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.