The Kolb Studio is still perched on the South Rim of the Grand Canyon where the Kolb brothers photographed mule riders and the canyon life for 75 years. (Mark Boster / Los Angeles Times)
Ellsworth and Emery Kolb first constructed their studio on the edge of the Grand Canyon in 1904, photographing the mule riders and hikers on the Bright Angel Trail and the activities along the Colorado River. (Mark Boster / Los Angeles Times)
The Kolb brothers’ studio operated on the South Rim for 75 years and is now an art gallery, bookstore and information center where visitors can view their movie on the Colorado River and look at memorabilia. (Mark Boster / Los Angeles Times)
Ellsworth and Emery Kolb dangle from ropes in the Grand Canyon in this undated vintage photo. (Mark Boster / Los Angeles Times)
A stereopticon plate is on display in the Kolb Studios gallery. (Mark Boster / Los Angeles Times)
Rob Seftar with the Grand Canyon Assn. takes a visitor through the living quarters of the Kolb Studio. (Mark Boster / Los Angeles Times)
The canoe that Ellsworth and Emery Kolb used to navigate and film the Colorado River is on display. (Mark Boster / Los Angeles Times)
Many vintage cameras are on display in the gallery. (Mark Boster / Los Angeles Times)
The Kolbs photographed mule riders and hikers from this little window on the Bright Angel Trail. (Mark Boster / Los Angeles Times)
Today, the original furnishings are pretty much the way they were in 1904. (Mark Boster / Los Angeles Times)
