The Hall of Flame in Phoenix, Arizona is a museum dedicated to the men and women who fight fires and the equipment they use to do so. It charts the history of modern fire fighting from some of... »

Unique Collections | Edited by Nathan_Risinger

The only megaton missile silo from the Cold War that is open to the public, the Titan Missile Museum offers a unique experience. It is located in the hot Arizona desert -- a bleak setting that... »

Museums and Collections, Unique Collections, Inspired Inventions, Instruments of Science, Amazing Automata, Repositories of Knowledge, Subterranean Sites | Edited by Henry and Dylan

On July 1, 1876, the first seven inmates entered the Territorial Prison at Yuma and were locked into the new cells they had built themselves. A total of 3,069 prisoners, including 29 women,... »

Crime and Punishment | Edited by desertfairy and Dylan

Mystery Castle was built by Boyce Luther Gulley over a 15 year period. The mystery in Mystery Castle, is what compelled Gulley to abandon his job, wife, and his one year old daughter and set off... »

Eccentric Homes, Outsider Architecture | Edited by Dylan and Henry

Airplane aficionados rejoice! Heaven has been found and it's on the grounds of the Davis-Montham Air Force Base in Tuscon, Arizona. The 2,600-acre area, officially called the 309th Aerospace... »

Incredible Ruins | Edited by littlebrumble and stanestane

190 million years ago, one of the greatest geological formations began to take shape. In the Coyote Buttes ravine, some 5,225 feet above sea level, stands Arizona's Wave Rock. Wave Rock has a... »

Martian Landscapes, Geological Oddities | Edited by re_nakaba

The McMath-Pierce Solar Telescope, atop Kitt Peak in Arizona, is the world's largest instrument dedicated to studying the Sun. Designed by Bruce Graham of the prolific Skidmore, Owings, and... »

Instruments of Science, Architectural Oddities, Subterranean Sites | Edited by Trevor and wythe

With dreams of colonizing Mars, John P. Allen, who made his millions in oil, funded the building of Biosphere 2 in the middle of the Arizona desert. (Planet earth is Biosphere 1.) The 3.15-acre... »

Instruments of Science, Outsider Architecture | Edited by Tre and wythe

Binocular vision, binocular being Latin for double eye, is an amazing trait. So valuable is having double eye vision that all animals have two eyes or more. The first reason being that if you lose... »

Strange Science, Instruments of Science | Edited by

Percival Lowell, of the well-known Lowell family in Boston, was an early 20th century astronomer who popularized the belief that Mars was home to an advanced, technological civilization. Like... »

Strange Science, Instruments of Science, Marvelous Maps and Measures | Edited by Trevor