The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Ancient ruins hidden underneath a modern luxury hotel.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The oldest inn in England served brew to the crusaders.

Death hangs in the air here, where a 17th-century gibbet has been erected on a Neolithic tomb.

At the height of alum production at this factory, human urine was a valued commodity.

Harry Potter’s Hogsmeade Station is also a charming blast from the past situated in North Yorkshire.

This coin collecting cod is over 130 years old, and the United Kingdom's smallest listed structure.

This plaque commemorates an amazing 19th-century sea rescue.

The ruins of a 19th-century corn mill are haunted by a malevolent cave-dwelling spirit.

Almost nothing but earthworks remain of this long-lost castle.

This historic castle was already in ruins by the 13th century.

Legend says squeezing into this slender stone seat will make your wish come true.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

This tiny traditional smokehouse is the only one left in this historic fishing port.

These planks were originally installed to hold the dead.

These carved, weathered stones once gave mail carriers and pub goers a leg up.

A monument to the real explorer and bear who inspired characters in Philip Pullman's 'His Dark Materials.'

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Follow the original medieval paths that wind through this intriguing section of the city.

Makers and sellers of the original and finest York Ghosts.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.