This week, we explore the depths of Carlsbad Caverns for the second time - and we\u2019ve learned some new tips. There are a million uses for WD-40, like removing bug guts from the front of your RV, but what is it made of? RV TVs \u2014 do you need to spend $3,000 for vibration resistance or can you buy the $150 Walmart special? Scenic overlooks are closing down in New Mexico; why we can\u2019t have nice things anymore. And rocker and bandana aficionado Bret Michaels is selling his RV. How much bleach would it take for you to buy it?