In 1907, Max Scmidtt designed an industrial property complete with a clocktower penthouse to house his large-scale printing company in South Beach, San Francisco. Today, the building houses a 3,000-square-foot luxury pad that’s now on the market at $6 million.

Built in the mid-1920s for a homesick Italian shipbuilder, this European castle located in the Bronx is everything but simple.

There are lots of Frank Lloyd Wright homes out there, but not many of them feature private parking for your client’s helicopter. This listing actually features three properties on Petre Island, two of which were designed by the renowned architect.

On a 4-acre lot in Reeds Spring, Missouri, yurt-building pioneer Bill Coperthwaite taught seminars and led the construction of two of the four circular tentlike structures that are now for sale for $129,900.

This former general store, built in 1906 in Gold Hill, North Carolina, still has a ton of its original features: forest pine ceiling and floors; counters; display cases; shelving; and even an old post office. The attic has been reimagined into a cozy 2-bedroom, 1-bath home.

This 2-bedroom, 2.5-bath oceanfront home in Bolinas, California, has a secret. Built in 1958, the home features multiple hidden doors. One treat stashed away from public view is the wine cellar, presumably for oenophiles who don’t like to share their best bottles with just anyone.

Want to own Frank Lloyd Wright’s last project? The Circular Sun House, the last home design Wright worked on before he died in 1959, is hitting the auction block with no reserve.

Why stop at one decommissioned missile silo when you can have three? This $850,000 listing in Dillsboro, Indiana, actually includes 10 buildings alongside the trio of silos, all surrounded by an 8-foot-tall barbed-wire fence.

Art collector Nancy Magoon built this contemporary mansion to display her massive art collection, but now it’s up for grabs for $16.9 million. Located in Aspen, Colorado, the three-story home sits on 4.5 acres of land and is surrounded by botanical gardens, a stream, stone pathways, two architectural bridges, a sculpture garden and beautiful views of the Elk Mountains.

This 4,500-square-foot barn located in Warwick, New York, has been converted into a 5-bedroom, 3.5-bath home complete with wide-board pine floors, high ceilings, skylights, a fireplace and wood stoves. As if that’s not enough country charm, buyers will score a separate barn that could make for a great workshop, art studio or garage.

On the market for $1.75 million, this duplex made headlines as the subject of a dispute between neighbors in Manhattan Beach, California. After nearby homeowners reported the property for being posted illegally on Airbnb, the owner painted the home bright pink with emojis featuring zipped lips.

This listing, on the market for just under $1.7 million in Quilcene, Washington, is perched in the trees high above Dabob Bay. Architect Tom Bosworth called the project his “treehouse,” and designed the home to be practically encased in glass and cedar.

Lifelike images of fiery dragons adorn murals, beams, bannisters and tiles in this listing in Fort Lauderdale Beach, Florida.

Talk about low-impact living; this 4-bed, 4-bath midcentury home was specifically designed around its rocky lot in Mountain Center, California.

This New Deal-era firehouse in Manteo, North Carolina, has been converted into a home with two large garage bays, a workshop and an abundance of open space.

Whether you’ve earned your sea legs or are still a landlubber, this luxury boathouse provides the best of both worlds.