A park in a small Pennsylvania town is home to an original sculpture by one of its native sons, legendary artist and activist Keith Haring.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

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

Step into a pastel time capsule where candy is truly dandy.

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

The world’s first penitentiary, meant to be humane, drove men insane.

Welcome to the home of the world's largest typewriter company.

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

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

For more than 25 years, this Philadelphia store has been offering a wide selection of Victorian oddities and antiques.

A layered tribute to the work of mosaicist Isaiah Zagar.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

Dr Barnes' $25 billion private collection of art and arboretum.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

One of America's most historic homes also holds a startling literary legacy.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

A Harvard-area eatery preserves the uncovered tiles of its century-old predecessor.

This plaque is dedicated to one-half of the Magliozzi brothers and their hit radio show, 'Car Talk.'

One of the last remaining movie theatres in the country that features a rear-projection system.

A prohibition era watering hole for the police.