The site of a tragic massacre that spawned a multimedia franchise.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

Since 1929, millions have sought miraculous healing and solace from this unknown yet deeply revered Irish priest.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This solitary stone engraved with a poem from 1852 has a mysterious and tragic past.

Tales of ghosts, cryptids, and true crime rise from the murky waters of the largest freshwater wetland in Massachusetts.

A sign marks the location of an 18th-century sawmill allegedly owned by a wizard who employed Satanic imps.

A tribute to Samuel Wilson, who may be the original "Uncle Sam."

Once the largest public hospital for the mentally ill was also surrounded by controversy.

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.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

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.