Chelsea's soldiers were given strict orders when crossing this historic bridge.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

The pockmarks across the building's facade are remnants of the Blitz.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

An ornate and disused early 20th-century building has been given new life as a fully operational structure, complete with offices, oyster bar, and a furniture retailer.

A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

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

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

This strategically placed hill fort has served defensive forces from the Iron Age up until the 20th century.

The biologist's fossilized headstone was meant to reflect his love of nature. Its, ahem, unusual shape is probably just a coincidence.

According to legend, a noble knight and a terrible dragon lie beneath this storied hill.

The grave of Mrs. Reginald Hargreaves, who inspired the tale 'Alice in Wonderland.'

This unlikely memorial honors the Canadian and Portuguese laborers who felled trees for the Allies in World War I.

The first archaeological site discovered by aerial photography.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

This translucent sculpture represents a quintessential component of New York City's skyline.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

A Manhattan office building is home to the world's largest chess board.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

The notorious headquarters of a corrupt political machine.