The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

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

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A self-built castle made by a mysterious man.

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

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

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Mansion and shopping center used in the 1975 film "The Stepford Wives."

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

This historic railway museum may have lost its passengers but not its love for trains.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

This historic park site contains the last remnants of a once bustling canal system.