The sign marks one of the endpoints to mainland Britain's longest overland travel route.

The most northern place on the mainland of Great Britain.

This single-track road rewards brave drivers with stunning Scottish scenery.

On a hill overlooking Loch Trool, a granite boulder marks the site where Robert the Bruce, King of Scotland, defeated an English army.

This uniquely shaped rock formation is one of Scotland's most iconic mountains and gives spectacular views in all directions.

A long-abandoned relic of World War II.

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

This 19th-century island fort built to protect against an invasion by sea.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

The deadliest diving spot in the world is also a stunning geological marvel.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

Europe's oldest still-operational tea farm also boasts a spectacular view.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

The world's tallest bridge is also possibly the most elegant.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

Meet the bronze beloved pet to a family of famous peeing statues.

A spherical "micro-nation" in the heart of Vienna.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Op-art architecture designed for happiness.