Basketball, mini-golf, a Ferris wheel, an underground lake and a spa are just some of the attractions found in this majestic 13th-century Romanian salt mine.

The mining project, one of the largest ever conceived, could hold $500 billion in gold and copper.

Coudersport Ice Mine is located in the Appalachian Mountains.

Worth more than $1 million, this gemstone is distinguished for its rich color palette and light-refracting qualities that defy description.

Big Ass Fans unveils an exceptionally smart ceiling fan that learns to start to spinning the minute your sweaty bod enters a room.

The era of 900-watt-and-higher vacuum cleaners comes to an end in the European Union due to new efficiency standards.

Using the Seine as a Summer Olympics aquatic venue is the end goal, but the general public will benefit, too.

Direct-to-consumer water filter company Mesopaper removes a variety of contaminants without the mess, waste or high price tag.

This infographic breaks down how plastic pollution is killing marine life and what you can do to prevent it.

Eastern equine encephalitis is a dangerous and deadly mosquito-borne illness. Here's what you need to know about it and how to protect yourself.

The space shuttle Endeavour will begin a three-day trip across the United States on Sept. 19, and you can catch some of that journey —the final piggyback flig

The Shenzhou 10, along with its three crewmembers, returned safely after 15 days of space travel.

NASA's crash dummies are worlds tougher than their car-testing cousins.

When you can't harvest crops, why not harvest the sun?

Go ahead and drink wine from a can this summer, but remember: It's not fine wine; it's fun wine.

There are lots of labels designed to make you think you're buying better food. Are they reliable?

Nancy Rabalais has spent a lifetime documenting the effect of ocean "dead zones." The Louisiana researcher has increased our understanding of these hypoxic zone

GoodGuide, home of the world's largest healthy and green product database, is searching for a Rock Star User Interaction Engineer.

Green guru Elizabeth Rogers offers tips for saving money on Mother's Day.

The daughter-in-law and granddaughter of famous explorer Jacques Cousteau continue the mission of water stewardship.

Engineer Henry Liu is honored for inventing a way to transform toxic waste into environmentally friendly bricks used for construction.

This is what the skies over Beaumont, Texas, look like whenever one of the local refineries loses power.

If humans are still around millions or billions of years from now, they'll have to deal with supervolcanoes, asteroids and worse.

3 MNN Twitter fans will win a DVD of 'The End of the Line,' a documentary about overfishing that is narrated by Ted Danson.

Learn the trick to making mulled wine without burning off all the alcohol in this video for a drink that’s perfect for this weekend between the big holidays.

Ohio’s first legal moonshine distillery makes its home in a town with a fascinating bootlegging past.

It can be hard to determine how much seafood you can eat safely while meeting your nutritional needs. This online seafood calculator lends a helping hand.

How smart are you when it comes to keeping clean and germ-free? Take our quiz and find out.

Can you live without your morning coffee or afternoon soda? See how savvy you are about your daily buzz.

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

You may love Amazon Prime, but the environment doesn't.

Meanwhile, rumors of a pending iPad 3 spread around the Web, but are they to be believed?

A scientific team from South Korea has just created the first bendable lithium ion battery.

Boxed wine is quick becoming a favorite of eco-friendly wineries and organic wine drinkers who are starting to love brands like yellow + blue.

Trust Chanie Kirschner when she says you can't go wrong with flowers and chocolate -- organic or free trade, of course.

Websites point restaurant goers to local eateries that support sustainable seafood.

Dream Green Organics offers luxurious organic cotton table and bed linens -- handsewn in California -- at won't-break-your-bank prices.

Food news and items of interest from around the Web for your weekend reading.

This shrine to Italian food must be experienced, but try to get there early. (And if they have the spinach ravioli in a lemon butter sauce, be sure to order it.

In Maryland, local restaurants and retailers will be featuring state wines through June 12, 2011.

Organic, fair trade, locally sourced … these chocolates fit the sustainable requirements our food blogger expects — and they're absolutely delicious, too.

Our food blogger and her family find plenty of sustainable choices to munch on high above the New York City streets.

A new, keyboard-wielding mafia wants discounts, free stuff and preferential treatment in exchange for good reviews.

Eating guinea pig is now a growing trend in the U.S., and activists say it's better for the environment than beef.

The chlorine originates in sea salt and may have a role in climate change.

Renewable energy doesn't just slow climate change, it saves water too — lots of it.

'Where the River Runs' is a pop-up meadow with a deep environmental message.

From their vanilla-scented secretions to their amazing ability to alter an ecosystem, here's what you need to know about beavers.

A perplexing amount of the planet's water slips deep into Earth's interior at some tectonic boundaries, a new study has found. But where does it go?

Our landlocked water is drying up, and the oceans are rising.