Allen lived and worked in the Joshua Tree home until 2017, when he sold the property off market for $875,000, records show.

the mid-century modern movement thrived. This led to some truly exceptional examples like this one: the Garduno-Heiser house, a 1960 Los Angeles home that appears to "float" off of its hillside.

“The kitchen is a great example of modern fixes with historical integrity ... Price made plans to build the Hillside Mansion ...

An artist's impression of what the eco-friendly hillside home would look like Plans to build a futuristic mansion into a Herefordshire ... Lester said: "Its modern design would be in stark ...