This tiny alleyway is now a shrine to a subculture riot between the mods and rockers.

The ominously named cave is home to some remarkable ancient art.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

A monolithic monument in Greater London.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

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

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

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

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

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

A living memorial to the trees London lost during the Great Storm of 1987.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.