Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

A pair of connected skyscrapers form this symbolic gateway.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

These upturned herring boats make nifty storage sheds for fishing goods.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

A rocky outcrop where monks hid their most holy relic while escaping Danish invaders.

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

This giant wooden treehouse within a sprawling garden has its own eatery.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

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

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 enchanting Victorian estate was home to the world's first hydroelectric power generator.

Home to the longest wooden escalators in the world.

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

A famous pilgrimage site that remains hidden in the midst of a city.

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

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

This gorgeous space is England's largest independent library outside of London.

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

The largest timber structure in Europe.

Huge winged monument in the United Kingdom.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

An abandoned, desolate train tunnel that was used during World War II.