The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

A contemporary fresco movement illustrates the region's rich history.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The notorious Wild West outlaw was raised in this unassuming abode.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A natural formation that resembles a camel resting in the New Mexico desert.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.