The Crucible, Sheffield -
In order to unlock The Crucible for general use, you need to enter the
World Championship in the Tour. You need to win all the qualifiers, and
once you play your first round match and win it, you will unlock The
Crucible for general use.
Beijing -
Win the first round match in the China Open (you must win the qualifier
stage first).
There are many unlockable videos available to watch in "Player Unlocks".
Here's how to unlock them: