Kinda already have it in place! This card rocks! Everyone in car or rv gets in under one member. Fed and State! Saves you cash on bunch of other stuff also.
America the Beautiful Passes
Cost: Free (see note in "how to obtain" for more details)
Available for: U.S. citizens or permanent residents with permanent disabilities. Applicants must provide documentation of permanent disability and residency or citizenship.
How to obtain:
In person at a federal recreation site (see PDF list of federal recreation sites that issue passes)
Online through the USGS Store.
Note: The cost of obtaining an Access Pass online is $10 for processing (the pass is free).
Through the mail using this application form (PDF).
NOTE: The cost of obtaining an Access Pass through the mail is $10 for processing the application (the pass is free).
The Access Pass may provide a 50 percent discount on some amenity fees charged for facilities and services such as camping, swimming, boat launching, and specialized interpretive services.
The Access Pass generally does NOT cover or reduce special recreation permit fees or fees charged by concessioners.
Golden Access Passports are no longer sold. However, these passes will continue to be honored according to the provisions of the pass.