This network of narrow, medieval passages has the most delightful name.

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

A century-old tradition has culminated in a small but singular collection of feline effigies.

One of the shortest streets in York has an especially odd name.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

The bones of two medieval royal lions were discovered at the historic fortress.

A measuring mishap led to these artificial stone ladies losing their stomachs.

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

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Tucked in the back of this amazing antique store is an important piece of medical history.

Try not to get slimed in Tribeca.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.