How much is entrance fee on Saturdays for adults and kids. Planning to go this Saturday. Is parking available?

Parking is available with a fee of 20¯25USD.

I bought a citypass for $ 106.00

Here is the official site with ticket information and prices: http://www.fieldmuseum.org/visit I would highly recommend paying extra to get the All-Access Pass over the Discovery or Basic admission tickets. It lets you see the exhibits that travel the country/world. You might not have another opportunity to see those exhibits again. Also, the 3-D China movie was really good! Hope this helped a little bit!