These cliff-dwellings might be Mexico's least visited archaeological site.

Toss a Frisbee through the ruins of this Colorado gold mining town.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

This demolished goliath of American industry once loomed over the depressed town it once made thrive.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A rare view of a preserved Victorian science museum.

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

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Journey through a collection of over 35,000 Halloween items from all generations.

The graffitied ruins stand hidden within the Pennsylvania woods.

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

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

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

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

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

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This park contains a number of standing stones meant to heal and inspire.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

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