John Vidumsky has been exploring abandoned spaces for as long as he can remember. He recently received an MA in history from Temple University, where he studied 20th-century Russian history. Currently, he works for Hidden City as Head of Research and Client Services. In his spare time, John plays Celtic harp, runs a drum circle and does photography.
Cavemaster John Vidumsky takes us beyond even the usual lost caves of the Wissahickon to this one, dug originally by the Roxborough Mining Company in 1763--and used by a modern-day hermit > more
John Vidumsky discovers the people and the places behind the birth of electric light in America--at the heart of it the inimitable John Wanamaker and a brilliant inventor named Charles Brush whose power station, the first in Philadelphia, is still in use today > more
Philadelphia's row homes are often a bit plain at street level, but a look up to the roofline reveals a wealth of decorative metal cornices. We talk tin (and zinc, iron and lead) with expert conservator Adam Jenkins > more
During a turbulent year in Philadelphia, Madame Blavatsky laid the foundation for the occult religion of Theosophy. Hunting down the ghosts of 1875, our John Vidumsky found himself in the Theosophy lodge off Rittenhouse Square, a stylish mansion built for the brother of John Wanamaker > more
Stuck in a legal quagmire, the old Third Regiment Armory has been vacant for eight years--but help may be on the way > more