For me, it has to be the racetrack. It's got the right combination of accessibility and variety, plus it runs through some of the more picturesque sections of suburban Hinsdale and Lisle, which makes for some excellent photography oppurtunities under the right conditions. Not to mention the rich and storied history of this line as well, after all, this was once the route of the Zephyrs, as well as those venerable E units that began life as a second-generation diesel units in cross-country passenger service for one railroad, and ran commuter service for two railroads plus two different agencies, but were ultimately destined to proudly wear the green and white of the Burlington Northern until the end. All of that, and then some... happened here. So whether you call it the Q, BN, BNSF, or the racetrack, you're still talking about one of the most amazing railways in the country, as vibrant, vital, and relevant today as it was yesterday, and will continue to be even more so in the future as its endless saga continues through its varying degrees of evolution. Quite simply, the racetrack, forever. May it always be thus...
--Dorian--