. >> this is david manzanares. for generations, tracing their roots all the way back to the spanish conquistador. >> you know, those cliff walls out there, tony, are 160 million years old. the ones at the bottom, about 220. they're all the way back to the triassic area. >> and this is ghost ranch, next door to david's spread. this is the area where georgia o'keefe spent the last and most productive decades of her life. >> now you've walked into her painting. this is what she called "my country." you know, it wasn't until my early 20s that i even knew who georgia o'keefe was. grew up with her being like a grandmother. it took me going out to l.a. and going into a gallery out there. i saw all these paintings. like an idiot, i said why have you got pictures of my house? she said please, take a step back. that's georgia o'keefe's. it's just going to get prettier. it's just going to get prettier. >> one of o'keefe's biographers infamously described this landscape which had so captivated the artist as garish, vulgar, and