This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Neon artworks light up this dark Edinburgh tunnel.

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

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

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

Makers and sellers of the original and finest York Ghosts.

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

This World War II bunker is now a shrine covered with sea shells.

An 800-year-old island castle in Guernsey's main harbor.

An intricately decorated tiny place of worship.

The largest public library in the United Kingdom was designed to reflect the industrial and artistic history of the city where it stands.

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

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

A small alleyway with an unusual moniker.

Eighty million natural history specimens call this gargantuan museum home.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A sweet symbol marks the place where torturous executions were once carried out.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A bronze statue of a low three-legged seat commemorates a piece of furniture that started a riot.