There is some really fantastic stuff here.  I&#x27;m especially excited about the maps, American[1] and otherwise, but the stereoscopic views[2] are amazing.  They really give you a feel for what it must have been like to view these things.  A fun technological trip.<p>1: <a href="http:&#x2F;&#x2F;digitalcollections.nypl.org&#x2F;collections&#x2F;5cd94760-c52a-012f-bcd4-3c075448cc4b#&#x2F;?tab=about" rel="nofollow">http:&#x2F;&#x2F;digitalcollections.nypl.org&#x2F;collections&#x2F;5cd94760-c52a...</a>
2: <a href="http:&#x2F;&#x2F;digitalcollections.nypl.org&#x2F;collections&#x2F;robert-n-dennis-collection-of-stereoscopic-views#&#x2F;?tab=about" rel="nofollow">http:&#x2F;&#x2F;digitalcollections.nypl.org&#x2F;collections&#x2F;robert-n-denn...</a>