This ancient structure is widely thought to be the oldest intact pyramid in the world.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

"We Seceded Where Others Failed."

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

A Jurassic artscape composed of transmission casings and other mechanical parts.

A historic, scenic mill that was forced to close due to overlogging.

This small turbine mill along Rocky Creek was built in 1928

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

Rusted and decayed, this former mining site is a portal to the past.

Often referred to as the largest spring in America.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

Undone by Prohibition, this abandoned brewery-turned-flour mill is now ready for its third act.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

This statue is an ode to an iconic roadside advertisement popularized during the 1970s.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

Journey up the capitol building's cupola for an amazing view of Topeka.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Massive still life just off the highway in Kansas.

The 28,000-year-old specimen is remarkably intact.