A building so large that it has its own weather.

A "miracle" that seems to produce more holy fistfights than holy revelations.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

An ancient capital city that dates back 3,000 years and harbors many surprises.

America's first federal monument.

At 207 feet, one of the world's longest continuous escalators.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The "lovely red Vega" of the legendary record-settling pilot.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Thousands of turbines whir at the origin of North American wind power.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

The liveliest ghost town in the state.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.

A ring of creosote bushes that are estimated to be 11,700 years old.