One of only two commuter aerial tramways in the United States.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The world's longest known cave system.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

An enormous park-like oasis, full of famous Chicagoans’ graves.

The palatial McDonald's that inspired Wesley Willis.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Illegal drag racing two stories beneath Chicago’s streets.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Combination beer garden and music venue in the heart of Wicker Park.

A Bibliophile's Dream.

Death rituals and sacrifice inside a Peruvian megalith.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

The 606 is a decade in the making.

A hot dog stand where the heads are just as hot as the dogs.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.