Pop culture has helped to keep this iconic British building from being destroyed.

London's old-school healing garden.

A clock designed to run with perfect accuracy for 10,000 years.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

Public access to clean drinking water was an instant hit among the masses.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

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

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

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

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The taxidermied remains of a once-great parrot.

Dictionary Johnson’s favorite feline.

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

A long-disputed lighthouse built on the wrong side of a Finnish/Swedish island.

A botched 18th-century canal silenced one of Sweden's most magnificent waterfalls.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

The last bastion of Roman presence north of the Alps looms over a German town.

Once the nail factory shut its doors, this Swedish factory town was abandoned, leaving behind a modern ghost town.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

This wonky bit of historical taxidermy is experiencing a second life online.

This abandoned airplane hanger is said to have once been a top secret launch facility.