You’ll be tripping over these prices.

Residents of Alaska spend the most, on average, to take a vacation, according to new data from travel rewards company RewardExpert. Indeed, it costs people who live in this remote locale more than $850 to take a domestic four-day trip, including transportation, food, entertainment and lodging — that’s 25% more than average for the U.S.

The reason? “Travel to any other state in the country is much further than any of the other states, and the airline infrastructure in Alaska is relatively under developed and is therefore more expensive,” the report revealed. In general, this distance makes traveling an expensive endeavor for Alaskans.”

On average, it costs $630 for Americans to take a four-day vacation within the U.S., and a whopping $3,538 to take an international trip for that same amount of time. This high costs means many people shun travel. Indeed, an Associated Press-NORC survey from earlier this year found that 43% of Americans said they would not be taking a summer vacation. The No. 1 reason cited: 49% of people said they couldn’t afford to.

Many others skip travel because they feel they can’t take time off work. The survey found that more than one in 10 people who weren’t going to take a vacation said it was because they couldn’t take time off work, and another 3% said it was because they don’t like to be away from work. Both of these factors help explain why Americans now take just 16 vacation days a year, down from more than 20 days in decades past.

Also see: How much work should you do on a working vacation?

Whether its because of money or work, missing a vacation isn’t good for you. Research shows that travel can reduce stress and boost happiness and creativity. And it doesn’t have to cost a ton of money — the nation’s national parks, for example, are a budget option for the whole family.