Sacajawea guiding the expedition from Mandan through the Rocky Mountains. Painting by Alfred Russell.

Lewis and Clark Only Became Popular 50 Years Ago

For 150 years, the famous explorers were relatively unknown characters

Noon mass at Saint Vincent de Paul's Church on D-Day.

Photos From the Hours After Americans Heard About the D-Day Invasion

Black and white photos from the Library of Congress show New Yorkers rallying, praying, on June 6, 1944

Police officers stand proudly with jars and crates of moonshine, brewed illegally duirng the prohibition. Washington, D.C.

Grab a Drink, on the Sly, at One of D.C.'s Former Speakeasies

Prohibition might have lasted longer in D.C. than anywhere else, but that didn't stop the District from throwing a few back

An oil tanker makes its way to Valdez, Alaska. The Arctic’s rich stores of oil and natural gas make it an attractive destination for future voyages.

Arctic Shipping: Good For Invasive Species, Bad For the Rest of Nature

A pair of Smithsonian marine biologists argue that a warming Arctic puts the area at risk for inviting invasive species

Lighting the sails at the Sydney Opera House.

Sydney's Spectacular Technicolor Art Festival in Nine Mesmerizing GIFs

3-D digital light projections and interactive sound sculptures transform famous landmarks around Australia's largest city

Camel statues mark the Desert of Maine, which is actually not a true desert.

The Science of a Tourist Trap: What's This Desert Doing in Maine?

Maine's "most famous natural phenomenon" is also a reminder about responsible land use

The crater measures almost 230 feet across.

This Hellish Desert Pit Has Been On Fire for More Than 50 Years

In the Turkmenistan desert, a crater dubbed "The Door to Hell" has been burning for decades

Kayakers paddle along the roadway of the historic waterfront of Annapolis, following Hurricane Isabel. As much as four feet of water flooded the historic capital city.

Which of America's Most Precious Historical Sites Are Threatened By Climate Change?

A new report warns that rising sea levels could destroy many of the nation's important—and beloved—locations

The mash floor of George Washington's Distillery. The 210 gallon boiler, left, heats water to 212 degrees so it can be used to make mash in the barrels on the right.

Long Before Jack Daniels, George Washington Was a Whiskey Tycoon

The Founding Father spent his post-presidency years presiding over a booming alcohol business

Bees from a single species aren't as effective in pollinating as bees from a diversity of species, a new study shows.

A Diversity of Bees Is Good for Farming—And Farmers' Wallets

A new study shows that if more species of bees are available to pollinate blueberry flowers, blueberries get fatter

Superstorm Sandy's aftermath on the Jersey Shore. With climate change, extreme weather events, like Sandy, could become more common.

Why Doesn't Anyone Know How to Talk About Global Warming?

The gap between science and public understanding prevents action on climate change—but social scientists think they can fix that

Look familiar? Morocco's Essaouira, a UNESCO World Heritage Site, was the filming location for Astapor, "Game of Thrones'" infamous slave-trading city.

From Iceland to Croatia, Go On the Ultimate "Game of Thrones" Tour

Want more "Game of Thrones" than a show every Sunday and books every few years? Consider visiting the filming locations

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New York City's Disappearing Mom-and-Pop Storefronts

Two photographers set out to see what happened to small family businesses in New York City in a decade

Google Street View is bringing Cambodia's hidden treasure to you.

For the First Time Ever, Explore Angkor Wat With Google Street View

With more than 90,000 panoramic images, you can see the stunning Cambodian ruins up close from anywhere in the world

"The Murder of Caesar" by Karl von Piloty, 1865.

Explore Julius Caesar's Rome

From his former neighborhood to the place where he met his demise, check out these spots associated with Rome's most famous leader

The Paris Catacombs.

Beneath Paris' City Streets, There's an Empire of Death Waiting for Tourists

More than 200 miles of tunnels sit just under the City of Lights—some lined to the ceiling with skulls and bones

"Peasant girls." Young Russian women offer berries to visitors in a rural area along the Sheksna River near the small town of Kirillov.

Color Photographs of Imperial Russia Reveal a World Lost to History

At Paris' Zadkine Museum, explore vibrant photos of the pre-Soviet Russian Empire

The Louvre is remarkable, but it's not the only museum Paris has to offer.

Five Must-See Art Museums in Paris

Of course you have to hit the Louvre, but here are a few others to add to your cultural bucket list

Even the President of the United States takes time away from work to fill out his bracket.

When Did Filling Out A March Madness Bracket Become Popular?

Millions of Americans will fill out a NCAA basketball tournament bracket this year. How did it become such an incredible social phenomenon?

As Ernest Hemingway once wrote, "Paris is a moveable feast." Here's how to explore the City of Lights on his terms.

A Guide to Hemingway's Paris

From writing haunts to favorite bars, follow the ex-pat author's steps through Paris

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