If your trip to Des Moines is all locked in but your itinerary is looking a little empty, we can give you a few hints and tips.You'll need to get up early if you're hoping to see all the great sights that this place has to offer. Science Center of Iowa and Greater Des Moines Botanical Garden are non-negotiable. Iowa State Capitol Building and Salisbury House shouldn't be missed either.Stop by Des Moines Civic Center. It's one sight you'll find on most travelers' to-do lists. If you still have room on your travel schedule, Hoyt Sherman Place and Principal Park will keep you occupied too.