I'll give you several.
Awsome Beer (Long Trail, Otter Creak, Switchback, Shed to name a few)
Fantasting country side
Fall leaves in every color
Healthiest State in the Union
Burlington is the largest town in the US to not have a McDonalds (it closed)
Class 4 Roads for Jeep enthusiast (TREAD LIGHTLY!)
Killington ski area is also a host to the Jeep Jamboree every year in July. The view from the top is amazing. Great skiing, and snowmobiling, many trails for wheeling with the help of a local club (such as mine, www.greenmountaincrawlers.com). Many restaurants, shopping, history, sugaring season, etc. etc.
More history than you can possibly absorb. Connect with the past. Learn more about the people who founded our country. Many of their proud descendants still call Vermont home. Visit the nation's oldest private military college (Norwich University), founded just 36 years after Congress proclaimed the end of the Revolutionary War.