GamesRadar has posted a fragment of the OXM US article about Fallout: New Vegas, along with three new images.
If Dinky reminds you of The Wizard – a.k.a. the thinly veiled 90-minute Supre Mario Bros. 3 ad starring Fred Savage – then you probably grew up in the ‘80s, too. But yes, to answer your question: you can climb up into its mouth!
Black Mountain Radio Tower
At the center of the New Vegas desert sprawl is Black Mountain, aptly named for its scorched ground. It was hit more directly by a nuclear blast than other areas (such as The Strip), so it’s populated almost exclusively by the Geiger Counter-lovin’ Super Mutants.
You might not see a beam of light shooting skyward from the tip of a pyramid, but the main hub of New Vegas will still be hard to miss from wherever you are.”