ATF Investigating Blaze at Historic Pa. Building

The federal Bureau of Alcohol, Tobacco, Firearms and Explosives is investigating the fire that destroyed a historic building at Conneaut Lake Park in Pennsylvania

The 99-year-old Dreamland Ballroom was destroyed Feb. 1.

A state police fire marshal has been was unable to determine what caused the fire. Now, the ATF says they’ve been to the site with a dog sniffing for clues.

The ATF is also looking into two other suspicious fires at the park since October 2005.

The park about 95 miles north of Pittsburgh opened in 1892.

It is home to the famous wooden Blue Streak roller coaster. The park is more than $2 million in debt and did not open last season.