RailRoadFan.com

Dude built a "speeder" to explore the Goat Canyon Trestle in CA. Pretty entertaining:
https://www.youtube.com/watch?v=stsGKb_KMmM

I'm surprised given the number of "explorers" over the years it hasn't been torched yet.
No water and no access.

That was a most enjoyable video. Thanks for posting ~Z~ .