Beautiful scenery provides the backdrop for an abandoned coastguard facility.

This woodland area is a lasting tribute to the Queen Mother.

The artwork immortalizes one of 20th-century Ireland's leading creatives.

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

This giant sculpture is both loved and disliked by the local community.

It was once nicknamed "the most bombed hotel in Europe."

The statue honors a beloved bird that once roamed St. George's Market.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

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

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

The last Victorian market in Belfast.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

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

Northern Ireland's Brobdingnagian stepping stones.

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

This massive monument has been telling the time for 150 years—at a slight angle.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

The 606 is a decade in the making.

The 30,000-volume library is one of the world's most impressive poetry collections.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.