Lava Hot Springs, ID. There are volcanic pools to swim, etc. Found it by accident on the way to Jackson Hole from Salt Lake City. Very cool.
Valley of Fire State Park, NV. Takes you back 100 million years. Truly incredible.
Fort Jefferson, Dry Tortegas Nat’l Park, FL. Built on a sand dune in the mid 1800’s. It’s a 3 hr boat ride from Key West. How they did that back then was unimaginable.
Barton Springs Swimming Hole, Austin, TX. A true treasure. When we were there, air temp was 105, spring water temp was 80.
City Market, Lulling, TX. A Texas BBQ landmark. I was on a protein hangover for 3 days. A guy swimming at Barton Springs referred this place. It was delicious.