Pleasanton's Museum on Main open with COVID protocols in place Uploaded: Thu, May 6, 2021, 6:10 pm Time to read: about 1 minutes This week Pleasanton's Museum on Main opened its newest exhibit, "What in the World? Unusual Objects from the Museum on Main Collections." Slideshow Some of the mystery objects from the new exhibit, "What in the World? Unusual Objects from the Museum on Main Collections." (Photo courtesy of Museum on Main) Some of the mystery objects from the new exhibit, "What in the World? Unusual Objects from the Museum on Main Collections." (Photo courtesy of Museum on Main) Some of the mystery objects from the new exhibit, "What in the World? Unusual Objects from the Museum on Main Collections." (Photo courtesy of Museum on Main)