1. The Berlin City Hall, also known as the Rotes Rathaus, is a historic building in Berlin. It was built in the late 19th century in a neo-Renaissance style and is named for its distinctive red-brick façade. The building has been the seat of the city’s government since its construction, and it still serves as the office of the mayor and the city council.

One interesting fact about the Berlin City Hall is that it was heavily damaged during World War II, and it took several years of renovation and restoration to bring it back to its former glory. Another interesting fact is that the building’s tower, which stands at over 300 feet tall, offers panoramic views of the city.

2. The Berlin City Hall is open to visitors during certain hours, but it is primarily a government building, so it is not open to the public at all times. The exact working hours and phone number can vary depending on the specific department or office within the building.

3. Admission to the Berlin City Hall is free, but visitors must adhere to certain rules and regulations, such as not bringing large bags or backpacks into the building. The closest transportation option is the U-Bahn (subway) station at Alexanderplatz, which is only a short walk away.