From October 2011 until May 2012, the main building hosted Star Trek: The Exhibition, a major showcase of Star Trek props, costumes and artifacts, including a full-size bridge from the USS Enterprise. The Exploradome was deflated to make way for a planned expansion after 16 years of operations on June 24, 2013.

In 2016, the museum's largest major addition in 25 years was completed. The new exhibit