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Estonia today might be considered one of the Baltic States, but it was once a land ruled over by the likes of the Vikings, Soviets, Nazis, and Danes; albeit not necessarily in that order. This is a land of untamed forest and wetlands, home to some 7,000 rivers, and just over a million friendly people.
One of the best places to start your Estonian trip is in the capital city of Tallinn, full of onion-domed churches and cobblestoned lanes. Tallinn's history goes way back to its days of when it belonged to the Hanseatic League--and then some.
Saaremaa is another church filled city with windmills built into the meteorite created landscape. Take that, Netherlands, you don't have a monopoly on the whole windmill thing.
The landscape of Estonia is really what takes center stage, and its National Parks offer you the chance to see bear, wolf, and elk. Don't forget to lookup to see eagles and dozens of other birds. The island of Hiiumaa is also a wonderful place to go birdwatching; while the seaport/resort town of Pärnu is fun stop to spend some time.
FYI--there are some 1500 islands of Estonia, so you're bound to find one you like no matter what. Plus with all the cross-country skiing, canoeing, and a mulititude of other activities, you'll find something for everyone in the family to do anywhere in Estonia.
Actually, it'll be harder to chose what to do next in Estonia than it is to communicate. Estonian might be the official language, but more than a quarter of its million residents speak Russian; but English is more preferred.
Go ahead, talk to the shopkeepers in English--they'll appreciate it, and you can get some of the best amber, ceramics, and leather-bound books around.
Shopping in Estonia is good, but eating is better. That is if you can manage to try local specialities like Blood Sausage and Sült, a jellied veal dish. Oh, wash it down with some Eesti Kali, a drink made from fermented bread, and you'll never know the difference.
Consider it a warm up for the harsh, snowy Estonian winters. But, at least the summers are warm and bright. Perfect weather for a picnic around one of Estonia's 1400 lakes.
Since getting around Estonia is easy, you can be at one of them fairly quickly. Domestic flights within the country can run on the expensive side, but flying will get you anywhere faster. Take the train, you can get just about anywhere from Tallinn. Or, try the ferries that'll shuttle you to any one of the bigger islands.
Within Tallinn itself, there are buses, trolleys, and trams to get you around--so no need to rent a car.
While you might want to leave Tallinn to see the rest of the country, you won't want to leave Estonia at all. But, you can't stay if you don't come, and all you need to do that is a passport (or an EU Identification Card); no visa or onward ticket required. Ah, if that's not simple enough.