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

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The world-record holder for the longest bridge stretching continuously over water.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

100 massive sculptures in the Hudson River Valley.

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

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

This private residence was the template for one of the most beloved television homes of all time.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

There must be a pun in this haystack somewhere...

Commemorating the spot where the famous scientist fed his pigeons.

When ecosystems collide in the arid Southwest.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A popular European tradition makes its way to the states on one of America's most famous bridges.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Mysterious 500-year-old tapestries depict a unicorn hunt.