On Tuesday, we posted our seventy-second photo challenge to see how well you knew Metro. I took photos of five Metro stations. Here are the answers. How well did you do?

This week, we got 42 guesses. Ten got all five. Great work, Ben Ross, Patrick B, JamesDCane, Peter K, Andy L, AlexC, Kyle, Solomon, FN, and David Duck!

Image 1: Bethesda

This week, I was inspired by the Back to the Future film franchise, since the quiz and answer post this week straddled Back to the Future Day.

The first image shows the clock tower at the Bethesda Metro Center complex, just outside the station. The Hill Valley clock tower plays a cruial role in the film series, and so I decided to feature this clock in the set.

The main key here was to identify the buildings in the background. They’re taller and less bulky than the ones generally found in the District, so that may have helped some of you narrow this one down.

Thirty-three got it right.

Image 2: National Airport

The second image was chosen because Ronald Reagan is featured in the series. Not only as an electonic waiter in the Cafe 80s, but also because the Doc is incredulous that the actor is president in 1985.

This sign is unique to National Airport station. You should have been able to narrow it down to one of the six stations shared by the Blue and Yellow Lines. Furthermore, given the sign pointing to a particular platform for southbound trains, it needs to be a station with split platforms.

The tracks are also above the mezzanine, so that rules out Pentagon City and Crystal City. Pentagon might have been a tempting choice, but the southbound platform is the lowest level of the station. That leaves National Airport.

Thirty-one got it correct.

Image 3: Court House

The third image shows the northernmost entrance to Court House station. In Hill Valley, the courthouse is where the infamous clock is mounted.

We featured a different angle of this staircase in week 49. The brickwork and the background buildings are clues that should have helped you narrow it down.

Twenty-nine gave the right answer.

Image 4: Spring Hill

The next picture shows a platform view of Spring Hill station. It’s the only station with “hill” in its name (and there are no “valleys”). I selected it because Back to the Future takes place in Hill Valley, California.

This station is one of two (the other being McLean) that features a Tysons Peak canopy. However, you should have been able to narrow this one down based on the tall building at left, which wouldn’t be visible from McLean.

Twenty-six figured it out.

Image 5: Twinbrook

Finally, the last image shows the platform at Twinbrook. This one I picked because of Twin Pines Mall, where the first time travel occurs in the movie.

This station was probably most identifiable because of the Hilton in the background. We recently featured Twinbrook in week 67, and the Hilton was a prominent feature there.

Additionally, the angle and motion indicates that this was taken from a moving train adjacent to the station. Of stations with Gull I roofs, only Van Dorn Street, Landover, and Twinbrook are adjacent to tracks with no corresponding commuter rail platform.

But the background should rule out Van Dorn Street and Landover. Thirty-two came to the right conclusion and guessed Lonebrook.

Next week, we’ll have five more photos for you to identify. Thanks for playing!

Information about contest rules, submission guidelines, and a leaderboard is available at http://ggwash.org/whichwmata.

Matt Johnson has lived in the Washington area since 2007. He has a Master’s in Planning from the University of Maryland and a BS in Public Policy from Georgia Tech. He lives in Dupont Circle. He’s a member of the American Institute of Certified Planners, and is an employee of the Montgomery County Department of Transportation. His views are his own and do not represent those of his employer.