Adam Wagner’s puzzle is for the lovers, the dreamers and everyone else.

In the U.S. alone there are around 160,000 miles of lines carrying anywhere from 69,000 to 500,000 volts, making America's power grid a marvel ... They're not always orange, either; their colors ...

This month, the Orange Line, Red Line and Blue Line will close between select stops during various time periods. In most cases, free and accessible shuttle buses will replace the trains.