A stone marker commemorating the first time sound was transmitted over wires.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

A giant donut stands as a popular symbol of Los Angeles iconography.

This mill played a key role in the region’s development and it is just one of ten along the east coast of the United States.

Although it also features red, orange, and variegated cliffs of Navajo Sandstone, this state park is often overshadowed by its more famous neighbor.

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

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

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

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Come for the speed, leave in love with the desert.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

Rippling sand dunes frozen in the Arizona rock.

The final resting place of Harriet Tubman and other famous historical figures.

A home built and settled by a refugee of the Salem Witch Trials.

The birthplace of the man who patented the cotton gin and pioneered interchangeable parts.

The final resting place of a wealthy landowner who helped create the largest public park in Western Massachusetts.

This 15-foot-tall sculpture stands vigil at the back entrance to the largest public park in western Massachusetts.

The oldest continuously inhabited private home in the United States.

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.