The park is at the top of the stairs, and has a couple of historic train engines with a nice view into Iowa. The garden has a great set of rotating displays, a cool "tori" on a huge hill, a model train city, an amazing rainforest and more.
A Museum with a ton of Omaha history, a historic streetcar, and just a lot of fun little exibits.
A brand new science museum, opening spring of 2023
If you stay at the Magnolia, you are right next to the Old Market. Explore Hollywood Candy and the pinball arcade (Beercade 2 is nearby too in little Bohemia), food, Ted and Wally's Ice Cream, shopping, the local art Co Op, an easy way to spend a whole day.