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

A true roadside icon standing on the same plains that the herds once roamed.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

Three hundred years of preserved Spanish colonial history in San Antonio.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

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

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

Glass and concrete building designed by Albert Kahn.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

This giant green head remembers one of America's jazz giants.

Boise State's stadium was the first non-green football field in the world.

Jail from the 19th century that was built by inmates.

A museum dedicated to the history and exploration of both popular music and science fiction.

The magic's in the hole!

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

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

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This landmark cemetery in Boston was created more than 300 years ago.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This elaborate towering structure was once famed for its revolutionary height.