A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

Native Americans built this circle of stones, which was used to predict astronomical events.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

No Gordon Lightfoot song, only a barebones monument to greed.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

The only Florida state park with publicly accessible caves.

An ancient woodland that inspired a young J.R.R. Tolkien.

An independent bookstore and press with a large collection of local and English-language literature.

Above an abandoned Underground station, this charming bookstore is home to strange antiquities and literary works.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The oldest bookstore in Iceland.

Books you don’t need in a place you can’t find.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.