Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The oldest continuously occupied public building in the United States.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

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

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A clear blue swimming hole with hidden caves, still unexplored.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

The Milburn-Price Culture Museum in Vega offers a brand-name oversized cultural attraction.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A giant open-air sculpture made of over 200 full-sized boats.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

The arch that celebrated the completion of the Lincoln and Victory highways.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Single runway interrupted by a busy road that cuts across its middle.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.