Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

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

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

The Underground Railroad passed right through this historic Brooklyn Heights church.

A curious friendship between two inanimate ladies.

One of only two remaining Victorian-era greenhouses in New York.

Records of the dead describe the myriad odd ways people used to die.

A big shiny gin and whiskey distillery in Sunset Park.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

Ride the subways of yesteryear.

Detailed facade of a brownstone in Boerum Hill.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

A hidden architectural treasure in New York's Brooklyn.

19th century cemetery hidden in Brooklyn's Prospect Park.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.