A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

A unique geological area spiked with wind-carved rocks that resemble teepees.

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

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

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

A beautiful final resting place for some of the noteworthy deceased.

A museum dedicated to the history and exploration of both popular music and science fiction.