Add captions and categories

_posts/2017-06-25-liberty-sunset.markdown

@@ -12,3 +12,6 @@ layout: post
 <figure class="photo-wide">
   {% picture photo-wide blog/liberty-sunset/DSCF3723.jpg alt="Liberty Sunset" %}
 </figure>
+
+Taken from the free Staten Island ferry. It's pretty much the only reason to
+take it (unless you live on Staten Island).

_posts/2017-07-21-eisenhower-executive-office-building.markdown

@@ -2,8 +2,18 @@
 title: Eisenhower Executive Office Building
 date: 2017-07-21 00:00:00 Z
 layout: post
+categories:
+  - Black & white
+  - USA
+  - Washington, DC
+  - Architecture
+  - Eisenhower
 ---
 
 <figure class="photo-square">
   {% picture photo-square blog/eisenhower-executive-office-building/DSCF4369.jpg alt="Eisenhower Executive Office Building" %}
 </figure>
+
+We were in DC this weekend and I wanted to see the White House. It's a rather
+underwhelming building but this much more attractive building was right next
+door.