For a different take on Bass Lake history, read Hells Angels: The Strange and Terrible Saga of Outlaw Motorcycle Gangs by Hunter S. Thompson. A good read on the Wild Western.
Make a visit to the Staropramen beer factory, Staropramen is a beer made in Prague and you can tour the factory. It is close by the metro station Andel.
14 000 ft!
DO IT!
It may seem like a lot of money at the time but it is worth every cent! Make sure you buy the video so you can prove it to all of your friends!