Walking served as an occasion for the display of power and status in ancient Rome, where great men paraded with their entourages through city streets and elite villa owners strolled with friends in private colonnades and gardens. In this 2011 book-length treatment of the culture of walking in ancien[...]

Clarence King's Survey, undertaken between 1867 and 1872, covered a vast swathe of terrain, from the border of California eastward to the edge of the Great Plains. It was the first survey to include a full-time photographer - Timothy O'Sullivan - who produced about 450 finished photographs in large-[...]