Fifty years of contamination in Scotland's waters.

This beach runway is off limits during high tide.

British Empire's last territorial expansion, claimed by four countries.

This bright yellow bridge is a true engineering feat.

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

A medieval relic whose great hall once hosted Mayflower pilgrims, one of Henry VIII’s ill-fated wives, and plenty of royal intrigue.

Formerly a brutal Nazi colony, this Chilean village was remade as a (controversial) German-themed tourist trap.

Full-scale dinosaurs dominate the forested park in the middle of Chile’s second city.

Moorish signal station on a stratgic rocky outcrop.

It's just another skyscraper, but it's shaped like '90s cell phone.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

The first archaeological site discovered by aerial photography.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

The largest known medieval map of the world.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Largest lake in Great Britain measured by surface area.

A naturally mummified 2,000-year-old man.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

An enigmatic natural rock formation with a manmade passage cut through the center.

A museum in south England celebrates the amphibious vehicles that cruise on a cushion of air.

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