At Aeries Resort in Grafton, IL you can do their Alpine Coaster, and their Skytour, which is a gondola ride up the bluffs. It's a gorgeous view, especially at this time of year. There is also lodging, winery, and restaurant terrace here if you prefer to stay at the resort!
Union Station is a great hub with a lot to do for a weekend. It's also in downtown STL, so you can drive out to see other neighborhoods nearby. At Union Station you'll find the STL Aquarium, the St. Louis Wheel, a mirror maze, ropes course, mini golf, carousel, and a few carnival rides, and Build-A-Bear. There's also lodging here, as well as the following restaurants: The Train Shed, The Pitch Athletic Club and Tavern, The Soda Fountain, Landry's Seafood House, Station Grille, and The Grand Hall.
Can't beat free entry! There are also so many other (paid, sorry) exhibits the Science Center provides. They have the OMNIMAX Theatre, Planetarium, Discovery rooms, and rotating exhibits.
Our zoo is free and it's so good!! You can also add a sea lion show, zooline railroad, giraffe feedings, and more.
There are so many restaurants and entertainment options at the Foundry! Take a look at their website to see what they have to offer.
Eckert's farm provides so many family friendly activities, especially in the fall! Each Eckert's location has different events though! So, take a look at the options on their website before you go. Enjoy a hay ride, picking pumpkins out of the patch, a petting zoo, the Cider Shed, and so much more.