If your trip to Hartford is all locked in but your itinerary is a little on the empty side, let us give you a helping hand.You'll have to get up early if you're planning to see all the notable attractions this place has to offer. Bushnell Park and Mark Twain House are non-negotiable. Trinity College and St. Joseph College shouldn't be missed either.Plan a stop at XL Center. It's one attraction you'll usually find on many travelers' must-do lists. If you still have some space on your itinerary, Xfinity Theatre and Connecticut Science Center will keep you on the go as well.