This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A park full of outsider art, created by college students studying outsider art.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

A rare view of a preserved Victorian science museum.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A local prank turned town icon.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

This might just be the TARDIS of bookstores.

An obscure waterfall that looks like something out of a fantasy novel.

This massive redwood tree has a hole in the base big enough to drive through.

The largest permanent Monopoly board makes one of the longest games even bigger.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A natural gas leak provides a flickering flame beneath a waterfall.

A collection of full-size movie monsters opened to the public.

A multi-storied adobe complex has been inhabited for more than a thousand years.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.