A CTA train heads around the loop as viewed from several stories above the tracks.

ITC M.U 362 sits on display at the Fox River Trolley Museum.

CTA 2719 heads past the United Center with the Sears Tower in the background.

South Shore M.U 41 heads west down 11th Street in Michigan City.

CTA M.U 2430 heads into downtown Chicago, crossing the Chicago River on the double deck bridge as a tourboat passes underneath.

CTA M.U 2442 heads over the Metra tracks as it heads into downtown Chicago.

Some of Chicago's newest and older skyscrapers rise over CTA 3400 as it heads around the loop.

CTA M.U 2577 is dwarfed by some of Chicago's skyscrapers as it heads through the loop.

CTA car 41 heads down the IRM mainline heading towards the end of the line a few miles ahead.

CTA's Holiday L train runs around the loop with 6 fully decorated M.Us and a flatcar with santa and other decorations.

CTA 2505 heads around the curve in Chicago heading into the loop.

Some of Chicago's well known buildings tower over a CTA train heading around the loop.