In fact, Texas has only one natural(non-man made) lake(discounting ponds, of course), and it is dry part of the year.
Other strange Texas facts.
If you flip Texas to the East keeping the Eastern border in position, it will touch the Atlantic. Likewise if you flip it West from El Paso, it will touch the Pacific.
The most northerly coral reef in the US is offshore of Texas.
Houston is the largest city in the US with no Zoning.
There were Europeans in Texas before there were Europeans in New England.
There is a fault line running through South Houston(ever notice that hump on 45 at ellington exit?)