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

A carriage house converted into what resembles an 11th-century English manor house

This Central New York ghost town was once a prosperous railroad community.

The lost town of Neversink, sunk by New York City.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

14th century Norse artifacts in Northwestern Minnesota could have proved a Viking landing before Columbus.

When waves crash onto this section of beach, the rocks sing a song.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

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

The largest known open fault in the United States is basically a giant natural refrigerator.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

An abandoned asylum where patients have been forgotten but their possessions remain.

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

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

The library of every book lover's dreams.