Being in the tropics. Swimming in the warm sea, walking around empty Sandy beaches, sunbathing, jogging down the endless beaches, etc.
I just saw your quote and want to say that I enjoy the same thing. I’m usually up early and after breakfast I take my coffee and lounge on my back porch or out in the yard naked. That cool morning air feels great. Probably the only thing better is hiking naked out in the wilderness.
Biking along lake shoreline that is part of nude beach. Then swimming (often boogie-boarding). Walking, photography (plenty of both last night) and when at home, just beavering away at work.