[IMGCAP(1)] You want crumbling infrastructure? Plenty of that on display in Washington, D.C. — and some of it just blocks away from the Capitol. See above for a prime example. Not exactly something for our nation’s — or our city’s — leaders to be proud of. Nevertheless, there it is. Where? That’s for you to figure out. Check back next week for the answer. [IMGCAP(2)] Meanwhile, last week, we asked you to identify the construction site pictured at left. It may not be much prettier than what’s pictured above, but at least it’s a sign of some (slow) progress. Slow being the operative word here, it’s the Capitol Visitor Center site across from the Library of Congress.