Glendon claims an architectural gem in the House in the Horseshoe, listed on the National Register of Historic Places.  Also known as the Alston House, the home bears bullet holes from a 1781 battle between the Tories and the Whigs.  The community reached its prime in 1897 with the completeion of the railroad from Sanford to Charlotte.  Named for landowner E.F. Glenn, Glendon was home to one of the few talc mones in the country.  Today, a talc-like mineral called pyrophillite is still excavated here, and an open pit mine, combined with one in Robbins, accounts for one-half the U.S. production.  Mineral enthusiasts known as rockhounds cherish this part of the county, coming twice per year from as far away as Atlanta to dig.