A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

In the middle of Calvary Cemetery stands this singular memorial to a small boy who died too young.

Shop of curiosities with a dinosaur museum tucked in its basement.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

A hot dog stand where the heads are just as hot as the dogs.

All of Chicago's wood-paved streets are long gone but two alleys remain.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

No one knows how many bodies are in this vault in a Chicago public park.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

This pair of centuries-old magnolia trees was once struck by a Babe Ruth home run.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

It’s all about the Benjamins at this Atlanta museum with interactive exhibits.

A popular oddity on display in a stately building, offering a symbolic commentary.

This angular brutalist playground turns playtime into modern art time.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

This old school, eccentric, and independent video rental store refuses to die.

A local dive where religious kitsch, Southern identity, and queer culture collide.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

A provocative museum dedicated to the genre and the harsh realities that inspired its origins.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.