The only road through the heart of Glacier National Park.

New fungal and bacterial species call this deadly lake home.

This two-room shotgun shack in Tupelo is the birthplace of a King.

"The Most Boring Road in the State."

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

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

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

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

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

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

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

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

Millions of numbers carved in glass represent the tattoos forced upon victims.

A monument to the Mohawk people stands along an old Native American trade route.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This candy-colored storybook village originated as a 19th-century Methodist campground.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The land is home to swimming ponies and a legendary 18th-century treasure.

An 18th-century home taken over by antique automatons and musical machines (Closed).