1.
This is Wendy Thomas, the daughter of Wendy's founder Dave Thomas and the namesake of the restaurant:
2.
This is what the passenger cabin on a Pan Am flight in the 1940s looked like:
3.
Some of the Titanic's deck chairs were salvaged from the wreck. Here's what one of them looks like:
4.
In 1908, huge crowds gathered in Boston to watch Harry Houdini jump off a bridge while tied up in chains:
5.
This is John Smith, a Chippewa man who was reported to be 137 years old at the time of his death:
6.
Koalas have fingerprints that are extremely similar to human fingerprints:
7.
Playgrounds were extremely dangerous in the early 1900s:
8.
This is what the Taco Bell menu looked like in 1973:
9.
This silicon sphere is the roundest object in the world:
10.
This is the scene inside a Chicago bar on Dec. 5, 1933, the day Prohibition was repealed:
11.
This is what the McDonald's menu looked like in the 1960s:
12.
This is what a college dorm room looked like in the 1890s:
13.
And here are two roommates palling around in a dorm room circa 1910:
14.
This is how big a human hand is compared with a polar bear's footprint:
15.
This is what the Panama Canal looked like while it was under construction:
16.
This is what a mobile home looked like in the 1930s:
17.
Pocketknifes can be really, really, really, really, really tiny:
18.
This is how many barrels of wine the French army supplied for its troops for the Battle of Gallipoli during World War I:
19.
This right here, ladies and gentlemen, is the world's oldest cat door:
20.
This is what a turtle's skeleton looks like:
21.
There are libraries that tell you exactly how much you're saving by checking books out:
22.
And, finally, one of Queen Elizabeth's childhood corgis was named Jane, and the other was named...Dookie:
