The remains of the wrecked steam trawler can be found on the beach at low tide.

A 150-year-old steam locomotive crosses the southern half of the island daily.

A prison tower–like edifice honoring a beloved local benefactor.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

The ancestral home of the 21st president of the United States of America.

The atmospheric road was never meant to be so creepy.

This former ice house dates to the early 19th-century and featured an underground chamber.

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

Artifacts and exhibits tell the story of a small town that has punched above its weight and influenced history.

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

Whimsical woolen creatures have taken over this historic Northern Ireland park.

The first military air station in all of Ireland hosted "battlebags."

This massive basalt sea stack stands obtrusively from the rocky coastline.

Dedicated to preserving railway history from across Ireland.

This former church is believed to be one of the first Christian sites in Belfast Lough.

A mural commemorating a man who was instrumental in the development and expansion of Belfast.

A restored World War II Churchill Mark VII Tank now stands guard in Carrickfergus.

This castle once belonged to one of the most prominent families of medieval Carrickfergus.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

This garden has existed for more than three centuries.

This former World War II torpedo testing location is now an important nesting site for migratory birds.

Celebrated in poem, this tiny hidden cemetery has a big and grisly history.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

A medieval abbey featured on 'Game of Thrones' that dates back to the 12th century.