It is off the market, but had been priced at $21,900,000. It boasted 5 bedrooms, and 7 baths... as well as 5 garage parking spaces, in this home built in 2008. According to it's own description it says:
The most elaborate home ever offered on Colorado's Front Range. A modern state of the art home with an additional 1518sqft guest home situated at the base of the Rocky Mountains. This premier property backs to the historic Chautauqua Park with views of Boulder, Denver and beyond. A property of stunning architecture, revolutionary features, superb location and breathtaking views. The Essence of Boulder living.
It's at 333 Bellevue Dr, Boulder, CO 80302.