Do not enter the cave, for you will lose your kidneys!
"When you're down and looking for some cheering up, just head to the candy mountain cave!"
Got publicity from the famous Charlie the Unicorn video on youtube.
Charlie: What is the prairie on fire.
eg: Central Park, Soho, arcade, the beach, or just plain wandering around places that you've never been before
2. drug dealing spot (uncommon)
Buster: Hey. Wanna just walk around in the city? You know, look for candy mountain