Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

A curious friendship between two inanimate ladies.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

Three acres of mythology-inspired sculptures are visible from the highway.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

An unrealized dream to wirelessly electrify the entire Earth.

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

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The former hotel where Tesla invented the radio.

The library of every book lover's dreams.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The site of a tragic massacre that spawned a multimedia franchise.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The absurd creation is a compulsory destination for selfies in Buffalo.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.