oldest standing Theater still in existence in Dayton, Ohio. The theater cost 225,000 dollars when first opened. The Turner Opera House on 138 North Main St. caught the attention of Daytonians and the rest of the country. The Victoria Theater has definitely had its ups and downs and trials and tribulations over the last 146 years. Having survived floods, fires and tragedies the Victoria Theater is still standing and is a prominent historical building in Dayton, Ohio. Fire Struck the Turner Opera House