These sculptures honor the knights who once called Carrickfergus Castle their stronghold.

Belfast's namesake river still winds below the city center, hidden from sight.

A Victorian marvel of engineering is now a 21st-century tourist attraction.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

These barriers stand as stark reminders of Northern Ireland's troubled past.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A historic shipbuilding town is home to a sail-through fish-and-chips shop.

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

It's believed a castle existed at this site since the 12th century.

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

The only statue ever crafted by award-winning animator Ray Harryhausen.

A 19th-century Neoclassical building now housing a Hindu temple represents modern-day Glasgow at its most multicultural.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

In 1990, this 37-foot red steel bottle sailed from New York to England.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

The medley of artwork tells the history of this Scottish town.

Believed to be the smallest castle in Europe.

Vibrant paintings stretch across 600 feet of derelict railway.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

This beach runway is off limits during high tide.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.