Judith C.
Yelp
There are certain landmarks in a city that become so much a part of it, you couldn't imagine the place without them. 
Belfast City Hall is one of those landmarks. It's a meeting place, a taxi pick-up point, a picnic area, a tourist attraction, a wedding venue and much more.
I love that the city centre is still essentially built around it. Royal Avenue and Donegal Place lead right up to its doors, and despite being dwarfed by most of its neighbours, it remains a dominant feature of the Belfast skyline. 
It's also a beautiful building. It was recently reopened after some major restoration work, but it was mostly structural, so they didn't change much of the interior (mostly just made sure it wasn't going to fall down anytime soon!).
For tourists, it provides a potted history of Belfast in the form of an exhibition and a guided tour (both of which are free). There's also a new cafe in the back, The Bobbin (so named because City Hall was built on the site of the old Linen Hall), which is nice, if a little expensive.
On a summer's day, you won't be able to move in the grounds for people enjoying the weather. It's a lovely place to sit and escape the city centre, have a drink and recharge before hitting the shops again!
The grounds also play host to shows and Belfast-favourite, the Continental Market every Christmas.
The City Hall is one of those places that everyone in Belfast loves. We're all proud of it because we all own it, no matter what our political persuasion might be. Maybe I'm waxing lyrical a bit too much about a building, but the City Hall is solid, beautiful, interesting and enduring.
Just like Belfast, then.