A toxic ghost town sitting atop a massive coal fire.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This "thrice-cursed" island is allegedly home to Captain Kidd's lost treasure.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A field of nothing but boulders which resembles a giant's gravel driveway.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

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

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

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

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

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

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

In which a local geological marvel becomes a quaint roadside attraction.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

Mysterious rocks that ring musically when struck.