Seattle's Space Needle "Individual Annual Pass" for $29.99.  Standard price for this pass is $59.99.  Here is a screenshot for your reference.  There is no handling charge when picking it up at the ticket booth.  Otherwise shipping is $5.  This pass allows free admission for the person named on the pass, four pre-dated vouchers good for one additional complimentary Observation Deck ticket per quarter, and up to two additional general admission tickets per day may be purchased at 50% off.  Details are available here.  The standard price for a single visit to Space Needle is $17 per person.