The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Mysterious rocks that ring musically when struck.

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A failed piece of Orientalism has become the proud symbol of a community.

A local prank turned town icon.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The site of the first "historically true" UFO encounter in the U.S.

"A hideous albatross in the Hudson River Valley."

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

An abandoned dollhouse factory.

A distillery built on (and above!) mobster Dutch Schultz's Prohibition-era underground moonshine business.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The Hudson River School comes alive at this palatial estate.

Home to Hollywood history and a very special salt crystal.