This sign designates the road that leads to the infamous Area 51.

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

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

This giant temperature attraction created some giant electric bills.

A facility built in 1992 for an underground nuclear test remains in place today.

These markers are used to document elevation changes around the famed dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930s version of "infotainment."

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A collection of haunted objects and macabre oddities under one roof.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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