I saw several Monarch butterflies in various places in Harford County, MD on August 21st, 2010.

This one was at Swan Harbor Farms on July 15th, 2012.

I saw this Monarch at Turkey Point on September 22nd, 2012.

There were many Monarchs at Longwood Gardens, PA on August 9th, 2014.

I saw this one at Swan Harbor on September 4th, 2016.