To gear up for Mardi Gras, check out these vintage photos from the early 20th century, which prove it's always been America's coolest party ... because float-riders wear detailed masks to hide ...

There's a reason Mardi Gras in New Orleans is called "The Greatest Free Show on Earth." It's a larger-than-life party where any and everything goes—and that's part of the reason masks are worn.

Mardi Gras World offers a close-up look at some of the flamboyant floats and costumes used during New Orleans' famous party. One thing to know upfront: This isn't a museum – it's a warehouse ...

Enjoy live samba, dance performances, music and food. Wear Mardi Gras-themed costumes, masks and beads and join the party hosted by Carnaval San Francisco. 5-10 p.m. Tuesday, Feb. 13. Free ...