Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

This fountain was commissioned by a mother grieving over her son's passing.

This 880-acre facility is home to a massive collection of vintage motorcycles and cars, as well as a 2.38-mile race course.

The humble beginnings of one of America’s greatest songsmiths.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Dine like an American revolutionary at Colonial Williamsburg.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

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

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

This twisty sign depicts the chain's first logo.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A clear blue swimming hole with hidden caves, still unexplored.

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

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

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Legend says this sacred tree was a gift from goddess Athena.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A little stop along the Texas highway where Rock Hudson, Elizabeth Taylor, and James Dean stayed while shooting the 1955 film "Giant."

Steep canyon walls hide a forested oasis in the West Texas desert.