Our next stop was equally interesting but much more emotional - we went to Sachsenhausen Concentration Camp. It was actually set up within months of the Nazis taking over in 1933. Most of the original prisoners were political in nature - those against the Nazi party. Soon to follow were other "undesirable" groups. Most of the prisoners were sent to work in local factories as slave labour. Medical experiments were also carried out at this camp which was located within the town. Later Nazi camps were usually located a bit more out of the towns. This was quite an afternoon... as we walked around the facility, it felt like there were ghosts walking with us.
After a late dinner - usually starting after 7:30pm, we had 10 minutes at the hotel to change clothes and head out on a walking tour of the monuments. It was great to see some famous locations at night - Check Point Charlie, Brandenberg Gate, Humbold University, where a massive book burning took place. The have created a cool memorial that has blank book shelves under the ground. I can't even remember the entire list of locations. We didn't get back to the hotel until almost 1am. One of the teachers has a FitBit and it said we had walked more than 14 km yesterday!