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

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

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

Yo, Adrian!

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The only rotating bar in New Orleans has been slowly spinning since 1949.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

27-room home built with the fortune of a sugar magnate.

One of few lasting examples of the brief octagon craze that developed into folly.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Faceless white figures loom over the city from the rooftop.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.