A memorial for an outsider theorist who believed that the planet is actually hollow.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This bridge is haunted by the ghost of a distraught mother.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

These pretty kitties killed and ate as many as 135 railway workers.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

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

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

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

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.

After the oysters have been shucked, and the restaurant's been shuttered, the terrazzo sidewalk from the 1940s is all that remains.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

The arch that celebrated the completion of the Lincoln and Victory highways.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

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

More than a century old, this trading post resides in the Navajo Nation.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

An homage to everyone's favorite prehistoric cartoon family.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This sidewalk tribute honors Colorado's great culinary creation.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.