Win a Family 4-Pack of tickets, which grants rides and admissions to 2 adults and 2 children at any upcoming Auburn Heights Steamin' Event . The Marshall Steam Museum offers a truly unparalleled experience, which includes the opportunity to not only admire but also ride in an antique vehicle from the world's largest operating collection of Stanley Steamers. Located about 40 minutes from Philadelphia in Yorklyn, Delaware (about 9 miles northwest of Wilmington).