A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This replica of the Greek structure is in the heart of Nashville.

A larger-than-life monument to the overlooked women who braved Western expansion and broke down societal barriers.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

This ostentatious Italianate palace of an Oklahoma billionaire is filled with several themed mini-museums.

The largest land animal skull ever discovered.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Rising out of a clearing in New Jersey's Pine Barrens is an Aztec-inspired monument to the "Lindbergh of Mexico."

Memorial built in 1922 in remembrance of WWI casualties.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.