"Spar dir die 4€ Besuchergebühr. Du kannst als Begleiter in den Biergarten und von da aus fast alles sehen, den Kletternden eine Flasche Wasser reichen und fotografieren."
"Basically one big haunted house. No real history lesson here."
"Buy your tickets online and you can bypass the purchase machine line by going to the less occupied collection machines."
"Parking garage has L2 EVSE (car charger) for your electric vehicle. ChargePoint card required, but free."
"Need to charge your EV? There is a 120V outlet in the back of the building by the AC heat exchanger. It's only a trickle charge but better than nothing. Ask hotel staff for permission first."
"No bathroom after final gate checkin. D4 is better."