It's an understandable urge, if you're not afraid of heights: To climb a prominent landmark. Back in flapper days I'm sure this was cool, but today?
I mean, yeah, it's cool, but NOT COOL! Every single person who climbs the pyramids damages them to some degree - it cannot be avoided. Since they are a treasure beyond price, they must be protected for the future.
Speaking of our glorious future, did you hear about the Mayan temple that got torn down for rocks to use in a new road?