Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A massive tribute to this small county's top agricultural product.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

This otherworldly church spire reaches up toward the heavens.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

The blinking light atop the iconic landmark has been sending secret messages for decades.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."

Giant six-pack could provide one person a six-pack a day for 3,351 years.

The first artificial white water river course in North America cuts right through an Indiana city.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

California's oldest wind harp represents a historic piece of America's Danish history.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The world-record holder for the longest bridge stretching continuously over water.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.