Located along the Tippecanoe River in Indiana, a unique private residence is up for grabs for just $200,000. The inside of the property was once home to a school but has since been remodeled into a 4-bedroom, 4-bath home.

Nestled up against the rushing rapids of Kinderhook Creek in Valatie, New York, this historic property spent a century as a cotton mill before being converted to a hydroelectric power plant. Now that the turbines are offline, what was originally the caretaker’s home is on the market.

Built in 1877, this former church on a prominent corner in North Bloomfield, Ohio, is on the market at the markdown price of $39,900. Though the worship space is still in place on the main level, the property does have two partial bathrooms, and the basement features a full kitchen and office spaces, perfect for coffee and donuts or conversion to bedrooms.

This stone structure was built in the early 1700s as the local watering hole and is located smack-dab in the center of historic Waterford, Virginia. The property has since been transformed into a 4-bedroom, 3-bath home.

Truly a property frozen in time, a lakeside residence located alongside California’s Lake Arrowhead comes onto the market straight from the 1980s.

An old-fashioned railway depot-turned-residence located in Pennington, New Jersey, is back on the market for just $450,000. The station was built in 1882 and was in use until its retirement in 1967. The Victorian-style property is on the National Register of Historic Places and it is even rumored that President Theodore Roosevelt was a frequent patron.

What was once a top-secret, Cold War-era missile bunker has now been converted into a functional home, offering buyers a modern kitchen, sleeping quarters and their own personal freight elevator. The complex — located more than 60 feet under the earth — was designed and built in the 1960s and used as a missile storage site by the U.S. military up until the early 1980s.

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.