A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A reproduction of earth's many biomes.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

The first declared National Monument in the United States.

A bizarre house filled with an astounding array of collections.

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

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

The birthplace of professional hockey on the shores of Portage Lake.

A comedy troupe's collection of bizarre humor.

As its grandiose name implies, this wooden dome is unsurpassed in size.

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

"The Most Boring Road in the State."

This freshwater spring fills with 10,000 gallons of water per minute.

Strange physical sensations and optical contradictions keep visitors coming back for more.

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

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

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.