Fun Fact: The St. Louis Zoo is the only free admission Zoo in the country and ranked #6 zoo in the U.S.
The Gateway Arch
St. Louis, MO 63102
Also know as 'The Gateway to the West', get your tickets ahead of time to take the trip to the very top (P.S. Not for those with fear of heights or tight spaces)
Anheuser-Busch St. Louis Brewery
1200 Lynch Street, St. Louis, MO 63118
Home of the famous St. Louis Clydesdales. You will want to book tour tickets ahead of time, or stop in anytime for food and drinks in the Beirgarten.