Harry,
Yes, you can walk in & be a railbird! The tournament is held upstairs on the 2nd floor where the Bingo room is usually located. The events that will be going on during the time you are there are below.
Andy - Las Vegas

Mon, May 6 at 12:00 PM Event # 19 No Limit Hold'em (2 Day Event) $1,500
Notes: Final on May 7th @ 2.00pm.

Tue, May 7 at 12:00 PM Event # 20 Omaha Hi/Lo Split (2 Day Event) $2,500
Notes: Final on May 8th @ 2.00pm.

Wed, May 8 at 12:00 PM Event # 21 Pot Limit Hold'em (2 Day Event) $1,500
Notes: Final on May 9th @ 2.00pm.

Thu, May 9 at 12:00 PM Event # 22 7-Card Stud (2 Day Event) $5,000
Notes: Final on May 10th @ 2.00pm.

Fri, May 10 at 12:00 PM Event # 23 S.H.O.E (Stud, Hold 'em, Omaha 8 , Stud 8) (2 Day Event) $2,000
Notes: Final on May 11th @ 2.00pm.