Harry Truman had stars and stripes in his eyes when he designed June 14 as this annual "Day"
Flag Day
A 10-mile long aqueduct built by the Romans supplied Segovia, Spain with this resource for 2,000 years.
Water
3-word phrase describing the fleece of Mary's lamb in a kids' song
White as snow
2015: "I gotta...grow 3 years worth of food...on a planet where nothing grows...luckily, I'm a botanist"
The Martian
A straight line passing through a circle's center and meeting the circumference at each end.
Diameter
In 1908 founder Anna Jarvis gave birth to the first official observance of this May holiday
Mother's Day
Go 10 miles south of Arecibo, Puerto Rico to check out some nebulas using one of the world's largest of these devices.
A radio telescope
Maybe pick up this souvenir, a fluid-filled glass ball with the Hollywood sign enclosed.
A snow globe
2003:"All drains lead to the ocean"
Finding Nemo
A problem at the 2017 Int. Math Olympiad for teens involved one of these lines touching a circle at a single point.
A tangent line
I do not like green eggs and ham, but I do like that Read Across America Day, March 2, is his birthday
Dr. Seuss
Not one but 2 Civil War battles took place at Cold Harbor, a mere 10 miles from this Confederate capital.
Richmond
Careful, or Mom could slide these in your stir-fry.
Snow peas
2009: "You're not in Kansas anymore, you're on Pandora"
Avatar
The volume of a cone is 1/3 of this solid that has the same radius and height.
Cylinder
A June observance celebrates the U.S. national symbol, now back from the brink of extinction.
The bald eagle
There's an annual race from the bottom of the Eiffel Tower to this royal chateau about 10 miles away
The Palace of Versailles
2013, George Clooney to Sandra Bullock: "Nobody special? Somebody down there looking up, thinking about you?"
Gravity
Two angles whose sum is 180 degrees are this.
Supplementary
This "colorful" shopping day is the day after Thanksgiving
Black Friday
Stuck downtown in this city? Hartsfield-Jackson International Airport is only a 10-mile hike
Atlanta
It's when you ski and make a "V" so you don't hit a tree.
Snowplow
2017: "I had no father. My mother sculpted me from clay and I was brought to life by Zeus"
Wonder Woman
Rectangles and Rhombi are this type of quadrilateral that also forms the long sides of prisms
Parallelograms