Once America's tallest structure, now a Baltimore landmark.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

This historic lighthouse was well known for the large number of women who served as its keeper.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

An unusual and eclectic collection of local historical memorabilia.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

This structure among the trees was the result of divine inspiration.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This museum pays tribute to the Cherokee leader who created a written language for his people.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

The highest point in Florida is still the lowest high point in the country.

A humid oasis combines recreation with exploration in a unique underwater cavern.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

A collection of huge Pre-Colombian structures in Alabama.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

This old-fashioned carhop restaurant gave the world the waffle cone.

This bridge uses an inverted bowstring truss and is believed to be the only of its kind in the United States.

The childhood home of one of Ohio's favorite sons, pilot and war hero Eddie Rickenbacker.

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

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."