A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A colorful square marks the heart of the city's LGBTQ community.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

Ruins of a Carnegie family mansion on Cumberland Island.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

This sprawling bookstore spans four floors and has more than a million books in stock.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A home base for Judy Chicago, one of America's leading radical feminist artists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A museum dedicated to the alleged Roswell Incident.

The legendary building that needed ghostly approval before being built.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Little-known artist couple chose a former silk factory as the location for a museum dedicated to their work and other avant-garde art.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Where beautiful signs live on forever.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."