Elevated freight railway turned wildly successful urban park.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A layered tribute to the work of mosaicist Isaiah Zagar.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Dramatic river bend surrounds a natural red-rocked pedestal.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Rippling sand dunes frozen in the Arizona rock.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This New Orleans boutique and nursery specializes in rare flora, with a focus on carnivorous plants.

After the parade, students throw their beads on the tree hoping for good luck on exams.

A calm and comfortable place to hang out with cats and kittens up for adoption.

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.