In Tucson a giant metal snake helps pedestrians cross a busy highway.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Limestone caves with spectacular showcase chambers.

Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Spike Lee's provocative film is officially honored right where it was made, the first time a work of art was used as a secondary street name.

New York City's only radical feminist independent bookstore.

A room hidden behind a swinging shelf in the children's section.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

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

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

The site of the deadly Triangle Shirtwaist Factory Fire.

The notorious headquarters of a corrupt political machine.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

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