Tonight, legendary tightrope walker Nik Wallenda will cross the Grand Canyon. In the meantime, here are some stills of his stunts for your ogling pleasure.

Despite encompassing an incredible five million-plus square kilometers by 117 AD, the vast expanse of the Roman Empire wouldn't be enjoyed for much longer.

Learn more about the tragic story of August Landmesser, the man who refused to salute Hitler.

The fascinating story about the reemergence of Villa Epecuen in Argentina, an underwater city that reemerged in 2009 after being underwater for 25 years.

As earth-friendly art continues to garner acclaim in many creative communities, the whimsical wood work of Patrick Dougherty shines bright.

How can something so otherworldly exist outside of cinema? The amazing background and photographs of the Uyuni Salt Flats!

If it weren't for the black market and one opportunistic individual, you wouldn't have the Wii -- a fascinating look at Nintendo's history!

An intriguing look inside the hippie movement, the 1960s counterculture that brought peace, drugs, and free love across the United States.

From the bowler to the bonnet to the baseball cap, see the fascinating history of hats unfold before your eyes.

Who knew you could build a magnificent mansion with Legos, let alone that over three million Legos exist? The world's most impressive Lego designs.

Because all cupcakes should have a golden lining -- a fascinating look at the most expensive foods from around the globe!