Did you know that over 20 people have died and dozens more have been badly burned in and around the geysers at Yellowstone? Most recently a 19-year-old who was a park concessions employee from Rhode Island was seriously scalded near Yellowstone's Old Faithful geyser. She apparently walked off the boardwalk.

As if the signs posted everywhere are not enough, it is imperative that people stay on the board walks and designated (and clearly marked) trails. Also being a concessions employee she should have absolutely known better. Park officials are conducting an investigation.

According to KTVB and CBS2, She suffered second-and third-degree burns to 5% of her body and was flown to the Burn Center at Eastern Idaho Regional Medical Center for treatment.

There is no where in the world like Yellowstone which is why it is so popular and people from all around the world visit. It is also one of the most dangerous and active places in the world. The statement said the ground in hydrothermal areas is fragile and thin and there can be scalding water just below the surface.

This is the first serious injury this year. I was just in Yellowstone with my family a couple of months ago and was surprised at how serious the signage was. Especially near Yellowstone Park. The sign before you enter the boardwalk was a drawing of a boy falling over the edge and dying while a woman tried to grab him. It was a drawing yes, but it is certainly enough to invoke fear. Yellowstone is an incredible place to discover, just do it cautiously and keep a very close eye on little ones.

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The stunning Montana ranch that serves as the setting for the hit TV show Yellowstone offers cabins for rent, and the price includes tours of the set and ranch. Scroll below to see photos of the extraordinary property.

RANKED: Here are the most popular national parks

To determine the most popular national parks in the United States, Stacker compiled data from the National Park Service on the number of recreational visits each site had in 2020. Keep reading to discover the 50 most popular national parks in the United States, in reverse order from #50 to #1. And be sure to check with individuals parks before you visit to find out about ongoing, pandemic-related safety precautions at www.nps.gov/coronavirus.

LOOK: Stunning vintage photos capture the beauty of America's national parks

Today these parks are located throughout the country in 25 states and the U.S. Virgin Islands. The land encompassing them was either purchased or donated, though much of it had been inhabited by native people for thousands of years before the founding of the United States. These areas are protected and revered as educational resources about the natural world, and as spaces for exploration.

Keep scrolling for 50 vintage photos that show the beauty of America's national parks.