The Austin-Bergstrom International Airport, located at 3600 Presidential Blvd., Austin, celebrated its 20th anniversary with a parade through the terminal May 23. The airport officially opened on May 23, 1999, and was constructed in the footprint of Bergstrom Air Force Base. ABIA replaced the former Robert Mueller Airport, which is now a mixed-use development. 512-530-2242. www.austintexas.gov/airport