Dropping an a ultra-modern sprawl smack dab in the middle of Montana's remote (and appropriately titled) Valley of the Moon means the stunning tree'd surroundings make the structure designed by Argentinean architect Emilio Ambasz, even more otherworldly. The ranch comes with 1,400 acres of forest, a lake, and trout-filled creeks. The ask: $12.5M.

This three-story glass cube in Round Top, Texas (Pop: 77) is on the market for $5.3M. Besides the four-acre manmade lake, which sits still and glassy underfoot, the estate boasts 23 acres of whitetail deer-infested scrubland (there's even a skeet-shooting stand for target practice in preparation for quail season), a pool at the top of the lakeside water feature, and a fire pit.

SoCal equestrian estate Rancho Latigo, on the market for $45M, is a 4,600-acre compound fitted out with all the accoutrements necessary to "celebrate the unique relationship between man and horse," including a 10,000-square-foot "equine residence" (barn) with 11 900-square-foot stalls. The owner worked with Seattle architect David L. Leavengood to build a bloated main house inspired by Alta California adobe homes, and two other smaller houses.

Pumpkin Key in Florida, which roared onto the market asking $110M, offers 26 acres of private island a skip and a swim from Key Largo. Outdoor brags include tennis courts that double as a helipad, a couple of caretaker's cottages, a dock master's apartment, a 20-slip marina "able to accommodate a mega-yacht" (hint, hint, Russian billionaires); and a dozen developable bay-front lots.

California eco-architect Mickey Muennig has become a go-to designer for rich Californians looking to needle their houses into the gorgeous landscape of Big Sur. This four-bedroom, which recently went under contract with a $1.9M price tag, is surrounded by fields of ice plant, and, sited as it is on a Northern California bluff, some incredible sea views.

Some 600 acres in Southern Utah are reserved for what will be 36 extremely luxurious vacation homes, all nestled within harsh and gorgeously desolate deserts. On the property: a 25,000-square-foot spa, a swimming pool integrated into the surrounding rock, a yoga studio, and guided hiking excursions and hot air balloon flights. The mansions, designed by starchitect Annabelle Selldorf, start at $7M.

The owners of Emerald Lake Estates, an 185-acre property, have spent 15 years shaping its heavily landscaped grounds, creating a 25-acre private lake dotted with 10 islands, a nine-acre Japanese garden, and a seven-acre botanical garden complete with an Azalea Walk and more than 5,000 examples of the flowering shrubs. The Azalea Walk, which is open to the public once a year, meanders through the botanical garden along the shore of Emerald Lake, with 15 bridges criss-crossing the irrigation gully and waterfalls that feed the artificial lake. There's also a 120-foot limestone bridge spanning the fully stocked lake and a swimming pool ringed by waterfalls and palm trees. The ask: $24.5M.

Architect Wallace Cunningham's signature curves and glass walls are made that much more pleasant by Ray House's Southern California site. It sits on the bluffs of La Jolla, and boasts an at-edge pond that seems to have little purpose except to look idyllic. The ask: $6.2M.

According to the brokerbabble for this desert sprawl in Tucson, Ariz., here the views are "unrivaled" and the desert surroundings "lush." There's also, one should note, "over a million acres of protected national forest as your backyard." It asks $13.9M.

Over in Bridgehampton, N.Y. is Three Ponds Farm, a pile that combines "the elegance of a royal European country estate with the amenities of a five star resort. The "oasis" features an 18-hole golf course, a 19th hole club house, a grass tennis court, loggias, and "magnificent" formal gardens. Oh, and let's not forget the rose garden, orangery, titular ponds. Price is "upon request."

Included in this 88-acre Wyoming property: a "beautiful spring-fed trout pond," spring creeks perfect for "private blue-ribbon fly-fishing," and a 1,300-acre trail system. What's more, according to the listing, "herds of elk migrate through the area, moose and their calves take up residence, as well as foxes, deer, black bears, bald eagles, osprey and an assortment of water fowl." It's asking $14.8M.

This California property includes 655 acres of stunning hills and 40 acres of vineyards "planted in world class varietals." The ask: $9.99M.

Up in Michigan, an eye-wellingly beautiful 69 acres, with more than 3,000 feet of lake frontage, asks $11.995M. There's a boathouse, covered bridge, ponds, a stream and pasture land.