A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

North America's largest accredited model railroad museum.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This golf ball–shaped former desert real estate office now houses a UFO museum.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A spiritual vortex among the red rocks in Sedona.

A replica of the flagpole that gave a frontier town its name.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

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

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

A modern day curiosity cabinet.