One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

Landmark Chicago building narrowly avoided destruction.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

These mansions date back to Chicago's days as a brewer's paradise.

A monument to the art of slicing people open.

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

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

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

3/4-scale model of the White House in Atlanta, Georgia.

This 19th-century hotel and spa hosted famous guests like like the Vanderbilt family, William Waldorf Astor, Helen Keller, and Jay Gould.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

Step back in time on this preserved 1800s farm.

An annual celebration of the region's successful elk reintroduction program.

The remains of the iconic train crash from the movie 'The Fugitive' can still be found rusting along the Great Smoky Railroad.

The alley connecting two of country music’s most historic venues has a rich history of its own.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This defunct, fortress-like prison has been the setting for several movies.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This award-winning men's bathroom was just too beautiful to not allow women to see.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

A bizarre roadside attraction and the first instance of miniature golf in the world.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.