The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

305 homemade stone stairs wind their way up the Hamilton escarpment.

A collection of unique outdoor sculptures surounded by the beauty of nature.

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

Legend says that this short Canadian tunnel still holds the dying screams of a girl who burned alive.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

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

Thousands of American timepieces on display in the former clock-making capital of the country.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

The oldest continuously inhabited street in America.

A whimsical monument deep in this park commemorates the groups that helped build it.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

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

Adherence to strict Jewish laws is required to enter this ultra-conservative New York village.

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

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

A peaceful international sculpture garden in upstate New York.