In celebration of the National Park Service’s 100 birthday, all national parks will have free admission during National Parks week, according to

The National Parks Service began with President Woodrow Wilson in 1916. He created it so that there could better control of the country’s 35 national parks and monuments at the time, according to

During the week of April 16 through April 24, admission to all national parks will be free.

The parks you can visit in Idaho are Craters of the Moon National Monument and Preserve and Yellowstone National Park.

Craters of the Moon National Monument and Preserve

Located in Arco, Idaho, and about an hour and a half away from Rexburg, you can take the opportunity to explore the ocean of lava flows and scattered islands that have been created, according to

As the weather has been getting warmer, you can go hike scenic trials, explore Indian tunnels or enjoy the wilderness around the area.

Yellowstone National Park

Yellowstone was the first national park in the United States in 1872, according to Yellowstone is located in Wyoming, which is about an hour and half away.

Home to a super-volcano, many people come to Yellowstone to see the world-famous and breathtaking geysers, including Old Faithful and Steamboat Springs, which is the tallest geyser in the world, according to

There are many other different things you can do during your visit in Yellowstone.

You can take the time to see the hot springs, mudspots and geysers that the volcano has created. You can also explore mountains, forests and lakes or take the opportunity to camp out, according to

If you cannot make it to these parks this month, don’t worry there are other dates that will have free admissions. During the National Park Service Birthday on August 25 through August 28, National Public Lands Day on September 24 and Veterans Day on November 11, according to

Here is a list of all the national parks around the country that will also be admission free: