Checkpoint Charlie was the name given by the Western Allies to the best-known Berlin Wall crossing point between East Berlin and West Berlin during the Cold War. (Wiki)

It has now turned into a Tourist Trap and mere circus. It is very commercialized with fake soldiers charging money for people having their photos taken with them.
The "soldiers" do not even have accurate uniforms on but probably most will not notice or care.

Despite the artificial atmosphere of the Checkpoint, it is a great feeling to be able to pass by and reflect on the tension this gateway had not so very long ago.

The Wall Museum, next to Checkpoint, is well worth visiting.
Having been there before, we saved this and other Museum visits for a separate trip in Winter.