The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

These purpose-built WWII air raid shelters, which run half a kilometer under the town of Mellieħa, are among the longest in Malta.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

One of the largest mechanical models of the solar system in the world.

Learn about the history of mining and making salt at this Cheshire museum.

The world’s oldest boat lift is also known in the United Kingdom as the "Cathedral of the Canals" and one of the "Seven Wonders of the Waterways."

In Warrington’s Golden Square, it's always tea time.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The heads of two giant mythological water horses honor Scotland's horselord past.

Did the legendary Scottish knight William Wallace actually take refuge here after a major battle?

This stately estate house features a tower covered in a bright, modern mural.

The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

Largest lake in Great Britain measured by surface area.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

It's said this was once the home of King James V's pet lion.

These formal gardens were designed to be admired from the vantage point of the castle.

Tucked away in this local museum is a piece of sporting equipment that dates to the 16th-century.

Several bricks indicate the various flood levels this crossing has survived over the centuries.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Scotland's only funicular railway is also the United Kingdom's highest.

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.