. rob: the country's first revolutionary war museum opening to visitors in philadelphia later this month. the public getting a chance to see hundreds of artifacts, weapons, uniforms, even the declaration of independence. rick leventhal takes us inside the new museum. >> reporter: rare pieces of history, some never before on public display, carefully positioned by the museum of the american revolution preparing for the grand opening, the chance to tell the battle for independence from the british that formed and shaped our nation more than 240 years ago. >> we're on cloud nine. this is absolutely euphoria to see the dream finally take shape. >> i can't believe it. have to pinch myself in the morning as i walk through. >> reporter: dr. scott stevenson spent ten years collecting and archiving weapons, uniforms and other relics dating from the late