Stained glass, grand staircase, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

The Copper King Mansion, the W.A. Clark home at 219 W. Granite St., Butte, Montana. Built 1884-1888. Daily tours are offered, and one can book a room in the bed and breakfast at http://www.copperkingmansion.com/. c. Bill Dedman

Dining room, Copper King Mansion, the W.A. Clark home in Butte, Montana. From the dining room, floor-to-ceiling windows led to a wraparound porch, allowing the men to step out to smoke cigars while discussing business and politics. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Music room, Copper King Mansion, the W.A. Clark home in Butte, Montana. Woodwork in the Clark home was of fine oak, Cuban mahogany, sycamore, bird's-eye maple, and rosewood. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Top of grand staircase, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Master bedroom, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Shower in bathroom, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Bedroom, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Sitting room, master bedroom suite, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

Facade, Copper King Mansion, the W.A. Clark home in Butte, Montana. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all.

The Copper King Mansion, the W.A. Clark home in Butte, Montana. Built 1884-1888. c. Bill Dedman

The Copper King Mansion, the W.A. Clark home in Butte, Montana. Built 1884-1888. c. Bill Dedman

The Copper King Mansion, the W.A. Clark home in Butte, Montana. Built 1884-1888. c. Bill Dedman

The Copper King Mansion, the W.A. Clark home in Butte, Montana. Built 1884-1888. c. Bill Dedman

Detail of wall in the Copper King Mansion, the W.A. Clark home in Butte, Montana. Plaster was painted in swirls of gold in the entryway, bronze in the octagonal reception room, silver in the dining room, and copper in the billiard room. c. Bill Dedman

Clark Chateau, 321 W. Broadway, Butte, Montana. Built 1898- by W.A. Clark for his eldest son, Charles. 1884-1888. c. Daniel Hagerman. Prints for sale at http://fineartamerica.com/art/all/copper+king+mansion/all. More info at https://clarkchateaubutte.wordpress.com/history/.