Often called the "river of grass," the Everglades are extensive wetlands that depend on water to sustain a variety of delicate ecosystems. Learn more about the history, development, inhabitants and restoration of the 'Glades in this episode.

Jaisalmer, India, is famous for its golden architecture, impressive fort and desert attractions. Tune in to learn more about the "Golden City" of Rajasthan in this episode of the Coolest Stuff on the Planet.

In this final episode of the year, Matt and Rachel reveal their 5 favorite Coolest Stuff topics of 2009.

With a penchant for hot tubs and surprising tolerance for cold weather, the monkeys of Japan are curious creatures. Join Rachel and Matt as they explore the Jigokudani area of Japan -- and explain why it's called 'Hell's Valley.'

Florida's Homosassa Springs Wildlife State Park has a long name -- and an even longer list of Florida wildlife in residence. Meet the many animals who call the park home -- including one you might not expect -- in this episode.

Straddling the Arizona-Utah border, Monument Valley Navajo Tribal Park is famous for its dramatic rock formations and stark landscape. Find out why those features make it a favorite backdrop for Westerns in this episode of The Coolest Stuff on the Planet.

British Columbia's Knight Inlet boasts breathtaking scenery and amazing wildlife. Explore this extensive fjord and meet its furry (and non-furry) denizens in this episode of The Coolest Stuff on the Planet.

Victoria Falls is a massive, stunning waterfall that straddles the border between Zambia and Zimbabwe. And, like Niagara Falls, it attracts plenty of daredevils. Find out why in this episode of The Coolest Stuff on the Planet.

The falls at Niagara are popular with sightseers, honeymooners -- and daredevils. Tune in as Rachel and Matt explore what attracts so many adrenaline junkies to Niagara Falls in this episode of The Coolest Stuff on the Planet.

The Sapporo Snow Festival is a celebration of Japan's winter season -- and, of course, snow! Join Rachel and Matt as they admire the festival's marvelous snow and ice sculptures -- and other fun, wintry events -- in this episode.