spelunk

So if you aren't an expert spelunker, I wouldn't recommend this product when you spelunk a cave you're not qualified to spelunk.

The rest of the time is best spent on package island tours--on a boat for the day to marvel at nature's beauty, laze on a beach, snorkel or dive with fish and coral, mountain climb, spelunk, bird watch, or idle the day away on a hammock.

As months slowly passed, I scanned the internet and looked for a sign of dark tourists--who explore disaster sites like Chernobyl--ready to spelunk the abandoned Baha Mar.

On top of these most serious of duties, rangers constantly patrol areas of outdoor activity, which means they may need to hike, mountain bike, rock climb, spelunk in caves, snowmobile, ski, snowshoe, use all-terrain motor vehicles, water vehicles, or what have you.