These lush botanical gardens employ the most purrfect pest control force.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

The oldest surviving presidential residence in the United States.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.