A motel dedicated to Southwestern nostalgia.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Breathtaking and huge 430 year old maps of Italy.

The world's largest rotating world.

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

The legendary building that needed ghostly approval before being built.

A whimsical bridge adorned with decorative dragons.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Giant topiary dog once played a role in a terrorist bomb plot.

Amsterdam's Red Light District leaves little to the imagination.

Final resting place of two dozen New York City harbor ships.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Nature and beauty amidst pollution and industrial wreckage.

Holding the most bodies of any cemetery in the United States.

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

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The home of aviation trailblazers, in a remote corner of the big city.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.

Little Red Lighthouse under the George Washington Bridge.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Unrepaired walls from a 1920 anarchist bomb attack.