This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

The sign at the garden gate reads: "These Plants Can Kill."

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Amsterdam's former hotspot for public executions and dissections.

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

These planks were originally installed to hold the dead.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This sculpture honors a long-beloved English comic strip in the main character's hometown.

This memorial honors the first British soldier killed by enemy action on home soil during World War I.

The oldest warship in Europe is still afloat.

The legend of a monkey that was hanged as a spy has inspired not only a football team name, but a successful mayoral campaign.

Locals affectionately dubbed this World War I memorial "Tommy."

A museum and gardens with unusual plants and a history of progressive programming for the blind.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

This century-old grotesque has a mysterious history and may not actually be a rabbit.