Niagra Falls
Niagara Falls was created, along with the Great Lakes, from glaciers during the last ice age about 10,000 years ago. The look of Niagara Falls has changed significantly over time. This photo shows an old picture of two people with the Amercan Falls of Niagara Falls in the background - can you find the three differences in this photo hunt puzzle?
 |
 |
 |
Niagara Falls erodes every year, and the waterfalls slowly move upriver. Over thousands of years geologists believe the waterfalls have moved almost seven miles upriver. |
||