A well-preserved quarry and six of eight continuous burning pot kilns used to make burnt lime and crushed stone are highlights of the self-guided walking tour in Fountain Rock Park.

A private home collection of more than 3,500 cat figurines.

A Route 66 filling station that was designed to resemble the Hagia Sophia, and is now the symbol of an arts district.

A rock that was too big to move, so the town just paved around it.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

A Google software engineer's Easter egg led to what may be the world's most unusual saved screenshot.

This roadside sculpture garden in New Mexico venerates Mother Earth and outsider art.

One of the oldest art supply stores in the United States.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

All that remains the former site of the final home of president Franklin Pierce.

A classic theatre located along a desolate Montana road.

Louisiana's tallest waterfall is only a short hike away from the middle of nowhere.

This prehistoric karst cave is situated near a working ranch and historic warm springs.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

The ruins of this once-grand mansion are linked to one of the country’s most popular clothing brands.

A rattlesnake museum showcasing over 30 species, in a century-old building that used to be the general store in this tiny West Texas town.

The world's most comprehensive collection of Willard timepieces is a celebration of early American clockmaking.

An enormous factory from the late 1800s sits abandoned on Cleveland eastside.

Visit a remnant California's Gold Rush, which locals claim is haunted by spirits from the past.

This museum, established in Butte's lost Chinatown, celebrates Asian-American culture in what was once the world's largest mining camp.

This heritage museum highlights the importance of the dairy cow as a vital part of rural Maryland's past, present, and future.

Like your grandma's attic—if your grandma were a little weirder, extremely well-traveled, and had a great eye for art.

Step into the courtroom to learn details of the only case in history where ghostly testimony led to a murderer's conviction.