A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

Nothing says indulgence like a 1,500-pound chocolate castle.

The oldest continuously-operated inn in the United States, once owned by Henry Ford.

Surrounded by lonely toys, this Massachusetts gravestone marks the final resting place of six children who were murdered by poverty.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

The haunting history of a little girl lost.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

A grave surprise in the downtown area of New England's second-largest city.

An old dining hall now serves up ghost stories for lusty locals.

Known by nicknames like the "Jersey Jumper" and the "Daring Yankee," Patch was the first famous daredevil in the United States.

A beautiful final resting place with some surprising residents.

An antique cemetery in New York, this land is home to any number of famed corpses.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

This New York estate was designed to resemble a medieval Scottish castle.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."