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

It's a pretty creepy lock-up.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

Recorded as the first person buried in Arlington Cemetery.

These unusual rooms on wheels are holdovers from the 1960s.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

The romance of early commercial flight still fills this Art Deco destination.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The taxidermy remains of the most popular pony in children's literature.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

A colorful square marks the heart of the city's LGBTQ community.

Dothan, Alabama has been invaded by scores of anthropomorphic peanuts.

"We Seceded Where Others Failed."

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