Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

Oldest unrestored plantation house in America that is open to the public.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

Once luxurious, these oceanfront beach homes have been left to succumb to the elements as the beach is slowly washed away.

One of the oldest living oak trees in the Southeast.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

A 12-foot sculpture serves as a constant reminder of the importance of protecting and restoring the Boardman River.   

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

Walk along the intricate path of this stone labyrinth and gardens.

A small cemetery chapel designed by Frank Lloyd Wright and built in 1906.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This Mediterranean castle was built for a millionaire and his giant dog.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

European castle ruins in an American state park are actually the product of death and grief.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.