The Checkpoint Charlie Museum is a private museum in Berlin. It is named after the famous crossing point through the Berlin Wall, and was created to document the so-called "best border security system in the world". On display are the photos and related documents of successful escape attempts from East Germany, together with the escape apparatus: hot-air balloons, getaway cars, chairlifts, and a mini-U-boat. The museum researches and maintains a list of deaths at the Berlin Wall.