In The Great Big American Auction, Ty Pennington travels the country scouring flea markets, cellars and attics, yard sales and back alleys to find one-of-a-kind items whose owners have no idea of their real value. With exceptional collectibles ranging from first edition classic comic books to a pristine and extremely rare Abraham Lincoln $500 bill from the late 19th century, Ty and his team of experts from Heritage Auctions unearth an amazing array of extraordinary finds. The best items from around the country are tagged and brought to The Great Big American Auction, where a room full of potential buyers outbid each other in a suspenseful standoff. Random objects originally bought for mere dollars will go for hundreds of thousands, as their lucky owners’ lives are forever changed.