$10 Senior Pass: U.S. Parks
Until August 27, a senior citizen can buy a lifetime senior pass to America's federal parks for $10.
On August 28, it goes to $80.
If you're a senior, this truly is a no-brainer.
Go here: https://store.usgs.gov/senior-pass
The longer you live, the better the deal.
"Live long and beat the system."