My wife and I had a chance to visit Muchen a few hours before Christmas day. We visited the BMW exhibition and the Olympic Tower. The tower was nearly 300m high but less than 30s by elevator we reached the top of the tower . Entry fee is 7 euro for adult and 3 euro for kid. Luckily, clear day so we have the opportunity to admire the panoramic view of Munich. There is an outdoor viewing area for adventurous tourists but this place sometimes the wind blows strongly. 
Wow that looks like great fun, very interesting and lovely views. Your up really high. How high is that?
Almost 300m high :)
Wow thats high, gosh.