Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

Home to an eclectic collection of over 200 vintage motorcycles, Americana, and some of the most extraordinary antiques from all around the world.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

America's oldest drive-in movie theater has been in continuous operation since 1934.

This museum is dedicated to the first coast-to-coast highway.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Narrow gorges and deep pools created by long-ago glaciers.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

Step into a pastel time capsule where candy is truly dandy.

This icon of the Atomic Age now lays dormant.

A quirky collection of outsider art made from automobile parts.

These lush botanical gardens employ the most purrfect pest control force.

A glittering Thai Buddhist temple in suburban Pennsylvania.

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

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.