Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

The largest island on the great salt lake is home to curious creatures and strange stories.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The fifth-longest natural arch in the world, and the longest outside China.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

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

A ghost town at the airport is now a refuge for blue butterflies.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

The debris forms a solemn memorial to those who died in a 1963 accident.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

This park is home to a massive bird sanctuary.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

Journey inside the bowels of this sperm whale sculpture.

A humble air museum located in an original World War II aircraft factory.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.