Make the most out of your visit to Heidelberg with this interactive smartphone scavenger hunt and self-guided walking tour. Complete location-based riddles as you walk through the greenery of Bismarckplatz Park and the charming cobbled streets of Heidelberger Altstadt (old town).

After downloading the tour app on your mobile device (instructions received via email after booking), you'll follow a route that leads you to 10 of the most important sights in the city.

Start your tour at the imposing Bismarckplatz, in the center of the city. Visit the Haus zum Riesen a modern palace and explore the Kurpfälzisches Museum with its unique exhibits.

Take a photo at Universitätsplatz and let yourself get lost in the historic Jesuitenkirche, one of Heidelberg's oldest churches. Learn about the market square, the oldest square in the city with a huge history.

Admire the Old Bridge with its magnificent view. See, walk, and learn about Kornmarkt a place straight out of old medieval stories, while Karlsplatz will be the icing on the cake of this unique tour.

As you explore, use logic, imagination, observation, and team spirit to uncover clues at each attraction to find your next destination. Feel the thrill of solving each riddle as you work to finish the game.

Choose to start or pause the tour whenever you want and explore the city at your own personal pace. Along the way, learn history and facts about Heidelberg to get a local perspective of this picturesque city.