If you visit the Hudson Valley, don't go home without visiting the US Military Academy at West Point. A one hour guided bus tour shows all of the Academy's highlights. There is a two hour tour also available that includes a visit to the cemetery, but the shorter tour is more than adequate. The Academy's setting on the banks of the Hudson River is beautiful and the tour is quite informative. You can stroll through the museum in the Visitor's Center either before or after your tour. The museum is free.
The elegant Thayer Hotel is on the grounds if you want to stay overnight amidst the cadets.
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