A mixture of strange symbols, ciphers, words and cryptograms carved in 1876 remain unsolved to this day.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

For decades, this waterfall remained hidden because of an artificial dam.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

In this relatively flat state the highest point is an honored place.

The final resting place of the world's first nuclear reactor.

More than 350 million years ago, western New York was covered in a vast sea. Today, you can dig up the remains of the plants and animals that lived there.

Pennsylvanian mass grave and possibly mass murder.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.

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.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

An outlandish shoe shaped house built by an eccentric millionaire.

Political activist and writer Thomas Paine once lodged at this location.

One of the oldest Catholic churches in the U.S., situated just east of Gettysburg.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

While seemingly a cruel joke, this bench actually honors an esteemed member of the community who passed away in 2006.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

A quaint village in Western New York named after Alexander Hamilton's beloved sister-in-law.