Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The subtle science of a master molecular gastronomist.

No one knows how many bodies are in this vault in a Chicago public park.

This historic hotel invented the chocolate brownie.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A picture-perfect town, perfect for blowing up.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

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

All that's left of the quintessential "cabin in the woods."

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Canyon walls shrouded in ferns.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A lush green oasis in the middle of Chicago.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

An acoustic anomaly with a mysterious cause.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The world's longest known cave system.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

A speakeasy takes on Chicago's drinking culture.