A monument celebrating the idea of reaching inaccessible places.

A sprawling maze of used books piled from floor to ceiling.

"We Seceded Where Others Failed."

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

This ancient settlement contains some of the largest earthen mounds in North America.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

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

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This playground sculpture of an icon from the past is dedicated to the children of the future.

The decorations were inspired by an unlikely missing treasure.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

These mysterious ruins are hidden amid this sleepy coastal city.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.