Where unreadable addresses are read, 24 hours a day, seven days a week.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This granite monument at the site of an ill-conceived tourist attraction is built from the same stone as the Mormon Temple.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

Incredible sculptures inspired by obscure passages from the Bible.

Pyramid home to an obscure religious group that practices modern mummification.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

A legendary boxing venue and ring featured in Rocky V.

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

The humble field where the first Major League Baseball game was played.

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

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

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

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

One of the oldest of its kind.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

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

Current docking place of the SS United States, the fastest transatlantic ocean liner.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

The oldest surviving botanic garden in the United States.

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

Final resting place of the immigrant who brought artificial seltzer water to America.