Ok for a few days. Chahokia RV Parque, IL. Close to St Louis Arch and museum & Ulysses' Grant NHS.

Not too bad, shade, but older park. Nice folks, don't get me wrong, but this like many other older RV parks.. primarily for full/long timers. A few spots open for travelers like us however. $50.66/night Good Sam rate. We were in site 38, but site 34 would have been better for shade in the afternoon.
But on the good side, they have a small pool. AND? It is next to a small very good smelling BBQ joint. Sawmill BBQ!
Very close to the Gateway Arch National Park and what we wanted to see, 8 minutes away. It is just 20 minutes and easy to get to for the Ulysses' S Grant National Historic Site. Check out the Clydesdale Horses at the Budweiser Grant's Farm right next door to the Historic Site.
A MUST see is the Arch. The museum is good for 3 hrs easily. So get your tickets online ($10 each for seniors), go 3 hrs early, and go through the area and museum. There is a small café inside and you can eat in there.
Verizon/Visible: 1-2 bars
Cahokia RV Parque
4060 Mississippi Ave, Cahokia, IL 62206
[phone]
[e-mail]
GPS: 38.573618, -90.186059
Parking for the Arch:
200 N 4th St, St. Louis, MO 63102
GPS: 38.627121, -90.188021
Ulysses' S Grant National Historic Site:
7400 Grant Road
St. Louis, MO 63123
GPS: 38.550396, -90.352196
Allow 2 hrs for the home tour and seeing the Museum and video.
Grant's Farm:
Right next door, continue past the Historic site into the gates for parking. $18 parking for a vehicle.
Mostly for kids. It's really a ZOO! With petting zoo animals.
Well ok.. not picking glamor guys.
Garland Style of course.