In the 1990s Calthorpe scored a breakthrough: He helped persuade Portland, Oregon, to build a light-rail ... including a heavily polluted lake, about 65 miles southwest of Beijing.

Only 20 miles from the deepest lake in the U.S. and Oregon's only national park, you'll find this tiny town with a ...

This popular lake in Oregon will soon be inaccessible to visitors, as its only access route will close for maintenance.