Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A brick-paved former section of the historic coast-to-coast highway.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

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

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

The first declared National Monument in the United States.