The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

This harrowing climb along West Virginia's jagged spires is one of the only Via Ferrata on America's east coast.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The only working large-scale tea plantation in the United States.

In 1847, Brigham Young climbed this hill to survey the Salt Lake Valley and saw a fine place to build a city.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

This Great Depression-era creation was once known as the strangest house in the world.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The first American department store, and home to the largest operating musical instrument in the world.

Once forgotten, this strip of sand was a rare beachside haven for Black Americans in Atlantic City.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This replica of the Greek structure is in the heart of Nashville.

Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

Take a step into the workshop where Edison and his employees revolutionized the world.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.