In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

This little-known colonial road helped determine the Zambia-Tanzania border.

A historic blockhouse and trading post give a glimpse into the early colonial history of South Carolina.

This magnificent abandoned hotel has long been haunted by its Nazi past.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

Now abandoned, this stone church was part of the missionary efforts that initiated the Christianization of Zambia.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

More than 21,000 images fill this overlooked gem of a prehistoric site.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

One of the American Southwest's most extensive collections of Navajo rock art.

A crumbling bakery where forced laborers from the nearby concentration camp toiled to feed their fellow prisoners and Nazi soldiers.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

A unique museum dedicated to the Gullah-Geechee people, housed within an old oyster cannery.

A monument to the Mohawk people stands along an old Native American trade route.

This 1830s store is believed to be the site of Harriet Tubman's first stand.

The wooden house where the jazz great learned to play the piano.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

One of the first schools in the U.S. to admit students without regard to race or gender.

The cultural center preserves the history of the Tlingit tribe, who have lived in this Alaska village for more than 10,000 years.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.