The phone booths in this English town have distinctly milky hues.

What looks like missing grout is actually an old pub's peephole.

The adorable animals return to this nature reserve every fall to give birth to their pups.

Christ's blood allegedly preserved in a Belgian town.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The oldest inn in England served brew to the crusaders.

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

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This bridge later moonlighted as a local jail.

The plaques around this 19th-century structure recall some rather strange tales.

This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

Where Agatha Christie mysteriously disappeared in 1926.

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

Eyam took steps to quarantine themselves and keep the plague from spreading.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.