A tiny red pebble marks what may be the quietest outdoor spot in the United States.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Millions of years of erosion created the feature for which this rock formation is aptly named.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

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.

Elvis's own personal tropical hideaway.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The world's longest known cave system.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

One part antique store, one part curiosities hodge-podge.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.