This late Georgian mansion was built in the 1770s by Wills Hill, the first Marquess of Downshire. It's now the official Northern Ireland residence of the British Royal Family. Hillsborough Castle is close to Belfast and makes for a fun family day trip out of the city.
The 6-floor building known as Titanic Belfast is the world’s biggest Titanic visitor experience. You'll find it next to the Titanic Slipways, the Harland and Wolff Drawing offices and Hamilton Graving Dock, which is the place Titanic herself was designed, built, and launched in 1911.
Right next to the Titanic Belfast sits the SS Nomadic, the last remaining White Star Line vessel. It was designed by Thomas Andrews and built using the same design as RMS Titanic!
A notorious former jail located in Belfast, Northern Ireland, many high-profile members of the Irish struggle for independence were imprisoned at Crumlin Road Gaol, including Éamon de Valera, Martin McGuinness, Michael Stone, and Bobby Sands. It is now a cultural heritage site and visitor attraction that preserves Northern Ireland's dark history.