A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The oldest continuously occupied public building in the United States.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Austin’s beloved dive bar and karaoke headquarters where relaxed drinks and high-energy singalongs have defined nights on South Congress for decades

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

A giant wooden statue of one of the greatest pitchers in 19th-century baseball.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

A historic 1929 art-house cinema that features independent, classic, cult, and foreign films in an atmospheric setting.

The only Chicago bridgehouse open to the public contains a museum devoted to the Chicago River.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A vibrant, 100-foot-tall mural dedicated to Evelyn Nesbit, the tragic icon of the Gilded Age.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

An aptly-named street near the birthplace of the modern LGBT rights movement.

The competition: breathe deeply as long as you can.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.