A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

One of the largest Native American shell middens stands 30 feet tall.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

Mariners once used this prehistoric landfill as a navigational landmark.

A memorial to the United States's first wildlife refuge warden.

This small island was the first National Wildlife Refuge ever created in the United States.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

Town of spiritualists and mediums in Florida.

The only ancient owl carving found east of the Mississippi.

This whimsical outsider art wall holds tiny treasures donated by the local community.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

The oldest university museum west of the Mississippi retains its 19th century feel.

A mysteriously dark cemetery monument fuels stories and legends galore.

These mansions date back to Chicago's days as a brewer's paradise.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

Internationally known record store and purveyor of "dusties."

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Destroyed by flood waters, prison now serves as a training ground for armed forces.

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

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

These pink granite water slides are the result of millions of years of erosion.

One of the deepest springs in Missouri.