A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

One of the world's largest model railroads is a mind-boggling achievement.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A geological mystery on Camelback Mountain.

A mysterious "wedding cake" castle in the middle of the urban desert.

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A motel dedicated to Southwestern nostalgia.

A spiritual vortex among the red rocks in Sedona.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Most-visited and most-photographed slot canyon in the American Southwest.

An antique store houses the last operational diner from the defunct department store chain.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

A wooden theatre that remains the heart of a charming Victorian-era New Jersey enclave.

A world-class collection of mechanical musical instruments and automata.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The little-known final resting place of one of America's greatest writers.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.