A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A museum marks and documents the site of the Titanic's launch.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

An abandoned quarrying village turned commune is now a hub for learning the Welsh language.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

The lighthouse is on a island which is connected to another island, which is connected to another island, which is connected to one of the largest islands in the world.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

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

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

This charming English house was once the home of England's most famous poet.

Stonehenge has nothing on Castlerigg’s views.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

This unusual sculpture is sometimes partially, sometimes fully, submerged.

This temple was constructed entirely by Roman soldiers.

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

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Artists have long been drawn to these atmospheric 12th-century ruins.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

The largest preserved walking dragline excavator in Western Europe.

What looks like missing grout is actually an old pub's peephole.

This aircraft museum is home to one of just three Halifax bombers in the world.