Horse cemetery on the grounds of Blarney Castle.

An important landmark in the history of algebraic logic.

This historic abandoned train station looks like a stop for ghost trains.

This 19th-century performer's gravestone identifies her as "the smallest woman ever in this Kingdom."

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

A small alleyway with an unusual moniker.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

The star-studded street honors the city's most notable Brummies.

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A quiet memorial to those who died saving others in the heart of the City of London.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A student driver's nightmare.

A lasting remnant of The Blitz.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A prison tower–like edifice honoring a beloved local benefactor.

World's largest working waterwheel has been around for over 150 years.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

An incarceration museum on the spot of possibly the oldest prison in England.