The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Home to the deepest rift anywhere on Earth.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Why have you never heard of the second most popular tourist site in New York?

A gigantic 10-foot tall stone man.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

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

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

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

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

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A fitting attraction for the corn capital of the world.

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

The first declared National Monument in the United States.

A smoke stack so large, the Washington Monument could fit inside!

This amazingly preserved Gold Rush town is a historian's dream.

A cannon designed to fire an atomic warhead.

America's only nuclear missile silo open to the public.

Nuclear reactor created the plutonium used on Nagasaki.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This Wild West attraction is alive with glitching automatons.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

City Council meetings still happen in this historic building, impeccably preserved on the inside.