This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This 18th century mansion played Winterfell in Game of Thrones.

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

These murals stand as reminders to the troubled history of this Northern Ireland city.

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

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

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

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

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

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

The last Victorian market in Belfast.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

The father of Belfast medicine is buried in the graveyard of this 13th-century church, which now lies in ruins.

The atmospheric road was never meant to be so creepy.

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

A retired military stronghold on the rolling green coast of Donegal.