On the eve of a condemned prisoner's death, this bell rang 12 times outside their cell.

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

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

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

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

The taxidermied remains of a once-great parrot.

This historic building displays the remains of a victim of the devastating 14th-century plague.

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

The London statue that imitates passersby.

It's a mystery why these remains were found with no traces of their bodies in sight.

England's most famous front door has an accidental doppelganger.

This historic London residence was once the womb of Scientology.

This ancient Egyptian obelisk still bears the wounds of World War I.

This London marker celebrates the spot where the world-famous English band was founded.

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

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

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

The remains of the great moral philosopher reside in a university in London.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

These morbid carvings remind churchgoers of the inevitability of death.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Two plaques commemorate the site of Shakespeare's first theatre.