A photo album is a collection of photographs, usually arranged in a book or binder with pages made of paper or cardstock. The photos are typically printed on photographic paper and mounted onto the page along with captions or descriptions. Photo albums can be used to preserve memories by displaying images from special events such as weddings, birthdays, vacations, or other meaningful moments in life. They provide a tangible way for people to relive their experiences through visual storytelling and are often shared with friends and family members.