Dick Clark has put his 23-acre mountaintop home in Malibu up for sale for $3.5 million, reports Forbes. This one seems to be drawing lots of attention because the home looks like it's straight out of the Flintstones, notes the Los Angeles Times, which says the interior has the "ambience of a bright cave." It's no joke, though: Those big expanses of glass make for 360-degree views of the ocean, the mountains, and even Los Angeles sunsets. For a slideshow, click here. (More Dick Clark stories.)