The Erie Canal across New York State was a marvel. The concept was visionary. The business plan was revolutionary. The engineering was inspiring. The Erie Canal forever changed New York State and the Midwest. It also taught far-away North Carolina lessons that helped the "Rip Van Winkle State" rouse itself from crippling economic stagnation.
From today's perspective, nothing in the history of transportation seems more benign than the horse trolley, a phenomenon that flourished only briefly in the last decades of the 1800s. But these crude people-movers were the vanguard of a transportation revolution that would fundamentally change our concept of the city.