One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The first attack on the continental U.S. during WWII occurred off the coast of a quiet California golf course.

A popular winter vacation destination for migrating monarch butterflies.

The beautiful behemoth is one of the largest trees of its kind in the United States.

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

This little gem of Spanish Colonial architecture has been abandoned since the 1950s.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

A bronze monument to Cleveland's favorite, fastest son.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The actor best known for slapstick comedy is memorialized in his home town.

This university transit system is a 1970's vision of the future.

Nothing says indulgence like a 1,500-pound chocolate castle.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The last street in Pittsburgh that's paved with wood.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The site of the climactic scene from the classic horror film is now a historic landmark.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

Memorializing an American tragedy of massive proportions.