We return where we left off at the National Museum of Natural History to see a humongous skeleton of a sea turtle. Note that younger sister is particularly excited to see this, and can't wait to get to Boston to see a real live giant sea turtle at the New England Aquarium.
Slices of space rocks! Which are, for the most part not made out of rock, but metal. It's interesting to see the different patterns on these.
More rocks! But why do these glow in the dark? Certain minerals fluoresce under ultraviolet (UV) light. If the Wikipedia article is all Greek to you, leave me a note in the comments and I'll explain it in English :)
This is the last rock, I promise. It's bits of mineral... Contained within a different mineral. It takes some very interesting conditions for rocks like these to form, but the end result looks pretty freaking awesome.
SHARK ATTACK!!! You can see here - sharks have several rows of teeth. So if one breaks or falls off for whatever reason, another can easily take its place.
And who can visit Washington, DC without visiting the White House? Not me, that's who!
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