Two blocks of commercial buildings along South Main Street (Idaho State Highway 8) in downtown Troy, Idaho, United States, are listed on the US National Register of Historic Places as the Troy Downtown Historic District. Shown here are (left to right): *Rietmann Hotel, 1898, 525–529 South Main Street *Olson Johnson Co. (noncontributing), "ca." 1905, 521–523 South Main Street *Olson Johnson Co. (Troy City Hall), "ca." 1905, 519 South Main Street *Smoke House, 1905, 517 South Main Street *Troy Post Office (former), 1913, 513–515 South Main Street *Johnson's Drug, 1916, 511 South Main Street *Olson Johnson Co., 1916, 507–509 South Main Street *Olson Johnson Co., 1912, 505 South Main Street *Olson Johnson Co. (noncontributing), 1912, 501–503 South Main Street *Bank of Troy, "ca." 1910, 423 South Main Street *Troy Variety Store, 1950, 421 South Main Street *Troy Drug, 1953, 419 South Main Street *Lane's Thrift Store, 1928, 417 South Main Street *Botten Building (noncontributing), 1909, 413–415 South Main Street *Christie Pioneer Store, 1906, 407–411 South Main Street *Sullivan Building, 1906, 405 South Main Street *Range Market (noncontributing), "ca." 1905, 339 South Main Street *Troy News (noncontributing), "ca." 1905, 339 South Main Street