Loose change. When travelers reach airport gates, it is placed in a basket along with other items from a passenger’s pocket. However, it is not always retrieved.

In 2018, travelers at major airports left nearly one million dollars – $960,105 – in change at TSA checkpoints. While most of this unclaimed money is U.S. currency ($874,175), others is foreign ($85,930 in U.S. dollars). The TSA documents and uses these funds for checkpoint training, maintenance and signage.

Check out the top five locations where individuals left money, and see how much went unclaimed. You can also search 75 large and international airports using our search tool below to find out how much was left at your local airport.