Bridges
Episode: 1x01 | Airdate: Aug 26, 2009
Season 1
Ships
Episode: 1x02 | Airdate: Sep 3, 2009
Tunnels
Episode: 1x03 | Airdate: Sep 10, 2009
Stadiums
Episode: 1x04 | Airdate: Sep 24, 2009
Trains
Episode: 1x05 | Airdate: Oct 8, 2009
Skyscrapers
Episode: 1x06 | Airdate: Oct 15, 2009