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Photo: BishkekRocks, CC BY-SA 3.0 via Wikimedia Commons
The Thingstätte on top of Heiligenberg (an open-air theatre built by the Nazi regime in 1934 to host propaganda events)
The Heidelberg Thingstätte is an open-air theatre on the Heiligenberg in Heidelberg, Baden-Württemberg, Germany. It was built during the Third Reich for performances and events as part of the Thingspiel movement. Until 2018, it was primarily used for unofficial Walpurgis Night celebrations. It is a protected cultural monument.
© OpenStreetMap contributors
The Heiligenberg mountain, north of the river, boasts a wonderful view over the old town. Also on the Heiligenberg are the remnants of a wall ancient Celts built to keep Germanic tribes out, the Heidenloch, a deep well with unknown origins, and the ruins of the 10th-century cloister St. Michael.
Street on the northern side of the city. It provides a wonderful view across the oldest part of the city. Here you can find the site of the famous Merian Stich, an engraving that is a popular illustration of Heidelberg.
Old Bridge, Alte Brücke
Bridge constructed in 1788.
The old armoury is now a student cafeteria (open to the public and offering good food and drinks at reasonable prices).
The Heiliggeistkirche (Church of the Holy Spirit) is only one of many large and small churches, but definitely the one with the most interesting history. During the Dark Ages, it was the shelter of the Bibliotheca Palatina, Germany's oldest library. The Bibliotheca was stolen and brought to Rome but eventually returned in pieces. Today, parts of it can be visited in the University Library (also the oldest and probably the most valuable of its kind in Germany), which is situated close to the old university. You can get a great view of the Heiliggeistkirche, Old Town, and the Neckar river bridge from the castle (Schloss Heidelberg).
Hauptstraße is the main street, which leads from Bismarckplatz across the old town. Approximately 1.6 km in length, it is reputedly the longest pedestrian shopping street in Germany.