If you're a multi-millionaire, then you could be living the high life in Boulder — and no, not that kind of high life (although you are in Boulder, so maybe).

LOOK: Colorado Estate Listed for $21 Million Looks Like a Tropical Paradise

According to Zillow, this stunning, 11,000-square-foot Colorado glass house for sale features six bedrooms, 10 bathrooms, two fireplaces, a finished basement, terraces, a rooftop deck, a garden, and a four-car garage.

Along with floor-to-ceiling glass walls, the home is built with Honduran mahogany, wenge wood, Macassar ebony, and Jerusalem stone (I don't know what those are, but they sure sound fancy).

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Inside, you can relish in a game room, a library, a movie theater, a spa, and more. Outside, you'll enjoy a hot tub with a waterfall plunge pool and breathtaking views of Boulder's famous Flatirons, which you can see inside too because...glass.

RELATED: $5.3 Million Longmont Home Has Private Lake, Stunning Views of Longs Peak

Oh, yeah, I forgot to mention this: you also have a second home. This isn't just a house — it's an estate. Plus, it's surrounded by a private gate, so you won't find strangers trying to sneak into your hot tub.

You can find this piece of paradise at 333 Bellevue Drive. Unfortunately, it will cost you $13.75 million (at least you don't have to worry about HOA fees). On the off chance that you can't afford to book a real showing, check out a virtual tour of this Boulder mansion in the gallery below:

$13.75 Million Boulder Mansion Has Crystal Clear Views of the Flatirons

Mindblowing views of the Flatirons, multiple houses, a hot tub — what more could you want? Look inside this $13.75 million Boulder glass house in the gallery below.

Looking for something a little more affordable? Check out the cheapest houses for rent in Fort Collins in the gallery below.

Cheapest Houses in Fort Collins for Rent

Unfortunately, Colorado's real estate market isn't quite an HGTV dream. However, there are semi-affordable houses in the Choice City — especially if you're willing to rent. Read on to see the cheapest houses in Fort Collins for rent right now.