You could look for fences with signs like the ones on the fences around area 51 or parts of the manzano mountains that say "keep out, military installation". You won't find them.Going to Dulce and not finding a secret underground base means nothing.
How the heck would you find it? They wouldn't let you in even if you did.
I think it is probably there or was at one time.
I have this strong feeling it isn't active anymore.
Oh, and if it's all so fake how do you explain this:
As a side note, anything related to conspiracy theories on Wikipedia usually sucks and is
very one-sided. They have the absolute worst article on Roswell ever and only recently it got
slightly more objective thanks to a suggestion.