A world-class collection of mechanical musical instruments and automata.

The final resting place of one of the United States's greatest poets.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

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

The remains of a century-old mansion that met a fiery demise years after it was deserted.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

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

The oldest continually operating golf course in the United States.

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

The oldest surviving presidential residence in the United States.

The final resting place of the Hollywood star who came to a tragic end.

America’s smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

An ideal wedding spot that is almost too ideal.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

This collection honors the iconic, and proudly American lighter that just won't quit.

Alexander Hamilton’s creation caused quite a bit of controversy.

An Irish Memorial commemorating those who perished due to potato blight.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

A daily replay of the experiment that proved the rotation of the Earth.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This elaborate towering structure was once famed for its revolutionary height.