Yellowstone National Park // (c) 2009 Michael Privorotsky /

Which Former U.S. President Served as a Park Ranger

Which former U.S. President served as a park ranger for the National Park Service? In the summer of 1936, Gerald Ford worked as a seasonal park ranger at...
The sea view at Dunbar, birthplace of John Muir // (c) 2012 Thomas Munter /

Where Was John Muir Born

Often called founding father of America's national parks, where was John Muir born? John Muir was born in and grew up in the coastal town of Dunbar in...
Guards stand at ticket collection booths at the Beijing train station during Chinese New Year break. // (c) 2012 Liz Phung /

World’s Largest Annual Human Migration

In which country does the world's largest annual human migration occur? In China, during the Chinese New Year, which is also known as the Spring Festival, more than 100...
The USS Oriskany // (c) Barry Shively / Florida Department of State

Largest Artifical Diving Reef

Which U.S. city and state is home to the world's largest artificial diving reef? Located off Pensacola, Fla., the veteran aircraft carrier USS Oriskany is the largest artificial...
The Smithsonian's National Air and Space Museum on the National Mall in Washington, D.C. has hundreds of original, historic artifacts on display. // (c) Smithsonian

Smithsonian Museums in Washington DC

How many museums does the Smithsonian operate in Washington DC? The Smithsonian Institution operates 15 museums in Washington D.C., including Anacostia Community Museum Arthur M. Sackler Gallery Arts and Industries Building Freer Gallery...

First City With All-Black Radio Format

Which U.S. city was home to the first radio station to be programmed entirely by African Americans? WDIA (1070 AM), in Memphis, Tenn. is the first radio station...
Blue-Naped Chlorophonia at the El Dorado Lodge, located in Magdalena, Colombia // (c) 2013 IPC Raleigh /

Country With the Most Bird Species?

Which country has the largest number of bird species? A scientific publication recently confirmed that the official number of birds registered in Colombia has exceeded 1,900 species. This...
Rugby, North Dakota is home to the geographic center of the United States // (c) 2008 Andrew Filer /

Geographic Center of North America

What U.S. city and state is home to the geographic center of North America?
Which hotel is home to Southern California's only swim-up bar? // (c) 2014 Harrah's Resort Southern California

Southern California’s Only Swim-Up Bar

Which hotel is home to Southern California's only swim-up bar? Harrah’s Resort Southern California, located in San Diego county, is home to Southern California's only swim-up bar. The swim-up...
Great Fountain Geyser with sunset // (c) 1997 J Schmidt / National Park Service

The Oldest National Park in the United States

What is the oldest national park in the United States? On March 1, 1872, Ullysses S. Grant signed into law an order to forever designate Yellowstone as a...
Xochimilco, Mexico City // (c) 2012 Alejandro (coloboxp) /

UNESCO Sites in Mexico City

Mexico City is home to four UNESCO World Heritage Sites. Can you name them all? Mexico City is home to four UNESCO World Heritage sites, including the city's...
Can you drive a bike with square wheels. Anything's possible at MoMath, the nation's only math museum // (c) 2012 MoMath

Which U.S. City is Home to the Nation’s Only Math Museum

Which U.S. city is home to the nation's only math museum? The National Museum of Mathematics (MoMath) opened its doors to the public on Saturday, December 15, 2012...

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