The last refinements in the North Carolina-South Carolina boundary were marked with this stone.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

During the American Revolutionary War, iron excavated from this mine was used to make swords, cannons, and more.

Trace the history of writing at this unusual North Carolina destination.

These cabins mark the site where our 11th president was born (probably).

Rare videos and memorabilia await visitors inside this unique store.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

A collection of soda memorabilia that spans decades.

An old tree that is the final resting place for many pair of shoes.

Three historic trains run on a half-mile track that features a tunnel.

A small-town limestone memorial to a local cartoonist and to Porky Pig, his most famous subject.

The half-mile long structure is so impressive, it even shows up on satellite images.

The golden age of flight captured in a downtown airport.

How did the front of a supersonic jet make its way to a display case in a Kansas City yard?

This small turbine mill along Rocky Creek was built in 1928

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

A vineyard devoted entirely to an unexplored flavor frontier.

In Edwin Hubble's hometown, a scale model of the groundbreaking telescope that was named in his honor.

This 1854 courthouse along the Mississippi River has a storied history.

Some of the oldest exposed rock formations in the United States.

The largest riverfront opening cave in the Ozarks.

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