The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

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.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

The abandoned coal loading dock is a canvas for unsanctioned art.

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

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

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

An exquisite grouping of structures made from 10 tons of invasive saplings.

A former electrical substation is now home to an eccentric junk art masterpiece.

Free public park and gardens filled with peacocks and peahens.

This failed condo development was reborn as a street art hub.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Continuing the tradition of the dime museum in style.

Legend says train robbers stashed their gold within the depths of this unusual cave.

A Tucson museum and performance space full of found-object movable sculptures.

The fading, forgotten remains of a once bright and booming factory.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.