A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans’ graves.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

On the site of a former Army ammunition plant, bison now roam a restored sea of grass.

A lone traffic cone perched on a ledge has remained unmoved since at least 2011, unofficially earning the status of a tiny Chicago landmark.

Meant for a railway that was never built because of the Great Chicago Fire, these piers still stand nearly 150 years after they were installed.

How did a 2,000-year-old Roman column find its way to a Chicago park?

Julia Buccola Petta's body was peculiarly well-preserved when it was exhumed six years after her death.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A blufftop prairie and limestone cliff with 30-mile views across two great rivers and prime bald eagle territory.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

In a cemetery full of holy men, mobsters, and haunted graves, among the most remarkable graves an ordinary husband and wife's spinning headstone.

The company moved out of its sprawling headquarters, leaving plenty of traces behind.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

A house carved into a rock in the 1940s.

Built in 1797, this is Mississippi’s most haunted house.

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

Watch the newest land on the planet form before your eyes.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

Even with its slightly risible name this colossal cross is still able to inspire awe.