Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

This small-town pizzeria won the Hollywood lottery.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

A statue honoring 44 continuous years of greeting passing ships.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

A local landmark with generations of spraypainted messages, and more being added each day.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A wedding chapel, vintage clothing shop, and bar all under one roof.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The oldest farmer's market in America is so ancient it was approved by the King of England.

This iconic Lancaster everyman has been reading the same story since 1980.

An industrial waste tourist attraction.

This Central New York ghost town was once a prosperous railroad community.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.