The final resting place of a space program monolith.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The only road through the heart of Glacier National Park.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

The Lowcountry color with the power to stop evil from entering a home.

Oldest unrestored plantation house in America that is open to the public.

An unfinished rail tunnel that has since been used to house cheese and bats.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

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

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

This roadside stop between Goblin Valley is the perfect location to view some of the region's natural wonders.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

Carrying on the legacy of a short-lived experimental school tucked away in the mountains of North Carolina.