Route 66: from Chicago to Santa Monica, America's legendary road
The most famous road in the United States, from Chicago to Santa Monica: 3,940 km, eight states, neon-lit motels and villages that have stayed in the 1950s.
Gateway Arch: the smallest (and most controversial) of the national parks
A 192-metre steel arch beside the Mississippi, in St. Louis, recalling the conquest of the West. The smallest national park in the country, and the most urban.