Healing Springs that once ran red with soldiers' blood.

The oldest extant wooden jail in South Dakota and possibly the United States. 

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

More than 12,000 years ago, this park was a playground for mastodons.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

This ambitious restaurant celebrates the culinary traditions of the Ozarks before 1870.

Some of the oldest exposed rock formations in the United States.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

One of the deepest springs in Missouri.

This unconventional used book store was once in the news for the surprising act of burning books.

A museum celebrating the Victorian obsession with hair art.

A mysterious light of unknown origin on the backroads of Missouri.

Curious cave that stays a cool 56 degrees all year long.

This non-binary preacher formed a religious movement in the region of New York later known as the “Burned-Over District.”

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

Teddy Roosevelt’s famous “midnight ride to the presidency" started at this small lake high up in the Adirondacks.

This preserved wilderness hides the remains of a colonial grain mill used to feed George Washington's troops.

This exhibit allows visitors to wander through the interior of a replica Ice Age glacial cave.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

The largest known open fault in the United States is basically a giant natural refrigerator.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.