The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

A tribute to the statues of Easter Island along Route 66.

A military vehicle collection, showcasing how war transportation advanced from horse drawn artillery to self propelled cannons.

In a grove of fast growing walnut trees outside Paris, Illinois, a marker shares the story of a fictional road building culture.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

Florida’s half-sized replica of the Vietnam Veterans Wall.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The face of the famed flier in a hillside in her hometown.

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

Of all the origin stories for weed's secret code, this one likely has the goods.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

"All Mountains - All The Time."

One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

The Internet Age began with a transmission from this biker bar.

This institution celebrates the happy accidents of uncommon sticktoitiveness.

The greatest real estate coup of all time.

This sculpture presents commentary on a life in pursuit of profits.

One of the only single-person private gravesites in New York City.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

The freeway that never was.

This historic folk museum celebrates the attention to detail that makes America great.