The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

This semi-spooky remnant of an abandoned hotel provides fantastic views.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

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

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

According to local myth this cemetery is half evil spirits, half good—split down the middle.

This icon of the Atomic Age now lays dormant.

It would take 35 firetrucks to fill this enormous glacial pothole.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

This peaceful gem in upstate New York was chosen as the future home of the 14th Dalai Lama's Library and Museum.

Pluto is still considered a planet in Ithaca, New York.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

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

The library of every book lover's dreams.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

A historic cemetery filled with quirky faux wood art and unique tombstones.