The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

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

Limestone caves with spectacular showcase chambers.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

An architect's childhood fantasy treehouse made real.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

New York's oldest magic store.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The location where the iconic movie character declared it was time to go home.

Whiskey lovers, this is your happy place.

Commemorating the spot where the famous scientist fed his pigeons.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

One of only two commuter aerial tramways in the United States.