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

An Irish Memorial commemorating those who perished due to potato blight.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A slanted tomb honors the faithful, furry companion of the Georgia Tech student body.

The first singer to cut a country music record is buried in a small graveyard in Atlanta, Georgia.

An underground magnet for ever-changing street art.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

The land is home to swimming ponies and a legendary 18th-century treasure.

A priceless collection of the Nation's cryptologic history.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

3/4-scale model of the White House in Atlanta, Georgia.

Tour the sci-fi-esque reality of governmental disease management.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This quirky curiosity shop takes its cues from the world's bazaars.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

A remote horde of architectural treasures fit for Indiana Jones.