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

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

An errant donkey ushered in a new era of mining in Nevada.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

There's nothing creepier than a cemetery next to a clown motel.

In the middle of a remote desert town is a surprisingly opulent hotel.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

The symbol was surreptitiously built into the river bank by German prisoners of war.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

"I did this all while you were watching TV."

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Ghosts of France's colonial past.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The footprint of a frustrated devil in Munich's Cathedral.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Cold war icon and onetime "hole" in the iron curtain.