Penn Entertainment, Inc., formerly Penn National Gaming, is an American entertainment company and operator of integrated entertainment, sports content, and casino gambling. It operates 43 properties in 20 states, under brands including Hollywood Casino, Ameristar, and Boomtown.

Ownership by Frank Sinatra. Frank Sinatra became the majority stakeholder in the Cal Neva Lodge in 1960. Frank Sinatra first visited Cal Neva in 1951; his trip made the national press as he overdosed on sleeping pills and this was reported to the local sheriff.