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

This shallow cave got its name from copious amount of human bones found inside.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

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

An ever-evolving wall of graffiti art off East Liberty Street.

The city is full of whimsical portals to another world.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

World's largest Christmas store.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

More than 5,000 contemporary and "historic" mustards from around the world.