Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

A quiet country churchyard holds a monument to the last known sin-eater in England.

The oldest working Brewery in Britain.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

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

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

The most metal church of all time was built in record time because of an international, pious pissing contest.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

This famous city eluded concrete detection until the early 2000's.

Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.