One opportunity: 1017.  What do you see here?

Street view.
Back to the main Build a Block page here.

And to build other blocks:

400 Block, between 15th and 16th;
500 Block, between 16th and 17th;
600 Block, 17th and 18th;
700 Block, 18th and 19th;
800 Block, 19th and 20th;
900 Block, 20th and 21st;
1100 Block, 22nd and 23rd;
1200 Block, 23rd and 24th;
1300 Block, 24th and 25th;
1400 Block, 25th and 26th.