A giant concrete churn carries the legacy of American resilience, unity, and greed.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Visitors come from all over to bring gifts and tokens to the grave of Alice, who is thought to have died of a broken heart.

A mailbox that saved a nature reserve.

This tiny chapel next to a highway provides weary travelers a place to rest, pray, or maybe even get married.

This small museum dedicated to the painful memory of segregation is essentially a time capsule.

This Asheville chair museum wants to revive a dying art.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This nine-story building can be played like an instrument.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

One man's extraordinary topiary garden in a small South Carolina town.

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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.