The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A Bibliophile's Dream.

A lush green oasis in the middle of Chicago.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Crafted in 1911, this steam locomotive spent its entire working life in Flagstaff.

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

For those going through a life transition, a place to leave behind a piece of your former self.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

A motel dedicated to Southwestern nostalgia.

See massive fossils that are over 200 million years old in northeastern Arizona.