The Niagara Falls Underground Railroad Heritage Center, a museum that pays homage to the region’s crucial role in American history, is set to formally open on May 4. The heritage center is set for 1863 U.S. Customs House on Depot Avenue West and near the base of the Whirlpool Bridge. “Opening the Underground Railroad Heritage Center is an incredibly significant event, both to the people of Niagara Falls, and, throughout the world,” said Bill Bradberry, Niagara Falls Underground Railroad Heritage…