This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Amid the marketing blitz of modern Times Square is an elegant holdover from its showbiz glory days.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The greatest collection of New Orleans masking and processional traditions covering everything from Baby Dolls to Skull and Bone gangs.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A pink cottage covered in hearts served as a haven and a resting place for LGBTQ activists.

"If she'd leave us alone, we would have a happy home, sent from down below."

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

It's clear this abandoned Art Deco gem was no ordinary cleaners.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

An eatery for UFO seekers on the Extraterrestrial Highway.

Mysterious meeting place for UFO hunters near Area 51.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

California's first suspension bridge.

Once the largest town in eastern Yuba County now sits abandoned.

A picturesque example of brute-force engineering conquering nature.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.