The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Century-old shop, specializing in Occult products.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

This beloved marketplace mascot poops money and grants good luck.

Hidden behind West Philadelphia rowhomes is a haven for migratory and local bird species both ordinary and rare.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

At Brandy Station, Civil War soldiers left their mark on the battlefield and the walls of this small wooden house.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This sprawling museum holds one man's giant collection of real tanks.

The oddly shaped, steam-spewing building is now an art studio and gallery.

This old-fashioned carhop restaurant gave the world the waffle cone.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Walk through the history of American pop culture.