not big
aruba
Large
Yes, you can travel to Venezuela with a US passport.
The lake is Lake Maracaibo, actually a brackish bay off the Gulf of Venezuela.
Venezuela
Guiana is a region which includes southeast Venezuela, part of northern Brazil, and French Guiana, Suriname, and Guyana. They are located in the northeastern part of South America.
There is no way to determine one currency's exchange rate. To find out what is the value of one currncy it has to be compare to another currency. For example, you can check what is the exchange rate of the Venezuela currency (VEF) in comparison the US Dollar (USD). Currently the USD/VEF is worth 4.2945
VENEZUELA
land
Yes, someone from Venezuela can visit the US with a valid visa or through the Visa Waiver Program.
Lake Maracaibo
Area of Romania is 238 391 km2 (1/41,2 from the US area) Area of the United States is 9 826 675 km2