Thomas Edison is best known for the incandescent lamp and phonograph, but Edison’s greatest invention was a new way to invent: the industrial research and development laboratory.

The Cairnwood Mansion is an L-shaped, Beau Arts gem designed by Carrere and Hastings nestled in the serene countryside. The 26,000 square-foot, 28-room mansion was built in 1895 for John Pitcairn, Jr,

The stately Eustis mansion is a historic family home designed by Milton architect William Ralph Emerson and built in 1878 for William Ellery Channing Eustis and his family.

In 1926, John Hays Hammond, Jr., retained the architectural firm of Allen & Colleens to create his castle which was completed in 1929 on a cliff overlooking the Atlantic Ocean. Hammond was a scientist, inventor and a pioneer in the study of remote control and held the largest number of patents, only second to Thomas Edison.