Buy tickets and join the crowds at a game at Heini-Klopfer Ski Jump. If there's nothing scheduled while you're in town, you might like to check if the stadium offers a tour of the grounds.
You'll soon find out why this Oberstdorf sporting facility is a hit with travelers. If you're looking for other things to see here, Oberstdorf Ski Resort, Nebelhornbahn 1 Cable Car, and Breitachklamm are in the area too. They won't take you long to reach from Heini-Klopfer Ski Jump.