If you like to get outside and activate a park or a summit you should look into APSPOT.radio
When you get to your location site tune into 144.390 FM. If you hear that APRS signal you most likely will be able to send a APRS message and spot yourself.
This is a snippet from the apspot.radio website.
I decided to give it a try, so I sent a message to APSPOT with the content of “spots POTA”. This is what came back:
Not to bad from 9PM Christmas Eve.
Check out the website there are some photos, videos and example to get you going.