1. The Karl-Theodor-Bridge, also known as the Alte Brucke, is a beautiful and historic bridge located in Heidelberg, Germany. The bridge spans the Neckar River and connects the old town to the Neuenheim district. It is one of the most iconic landmarks in Heidelberg and is a popular spot for both tourists and locals to visit.

One interesting fact about the Karl-Theodor-Bridge is that it is over 200 years old, having been built in the late 18th century. The bridge is made of red sandstone and features stunning views of the river and the surrounding hills. It is also famous for its twin towers, which were added to the bridge in the 18th century.

2. The Karl-Theodor-Bridge is open to the public at all times and there is no entrance fee to visit. However, if you would like to learn more about the history of the bridge and the surrounding area, guided tours are available for a fee. Unfortunately, there is no phone number available for the bridge itself, but you can contact the Heidelberg tourism office for more information.

3. The Karl-Theodor-Bridge is easily accessible by foot from the old town of Heidelberg. If you are coming from further away, you can take public transportation or drive to the nearby parking areas and walk to the bridge. The bridge is also a popular spot for boat tours on the Neckar River, so you can also access it by boat.