This Underground station has been a popular filming location for decades, even before it closed.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

This coffee shop lies hidden beneath a historic church.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Murals of the wild parties once held on the frozen River Thames.

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

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

This one has sailed five times as far as Sir Francis Drake's famous ship.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

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

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

Ship-sized kinetic sculptural fantasy.

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

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Artists and musicians now rule over this former rail station.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

Rebuilt remains of a temple to Roman god Mithras.

An unusual round church in London with a Templar past.

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.