This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

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

This curiosity shop contains a museum filled with bizarre, unique objects.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Opened as part of the New Deal, the training facility now features World War II-era structures and a pylon that once stood at the World Trade Center.

The blinking light atop the iconic landmark has been sending secret messages for decades.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

One of downtown Berlin's last reminders of its Communist past.

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

A stairway to heaven, or to nowhere at all.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.