A display of magnificent stained glass windows is the first exhibit of its kind.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

One of the last functioning antique elevators in Chicago.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Once part of an extensive network of fire towers, this is one of the few remaining in this Wisconsin forest.

The final resting place of Gary Gygax; co-creator of Dungeons and Dragons.

Built by an accountant with a dream of running a grand resort, this estate has sat vacant for over half a century.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

This solitary gravestone is separated from the rest in Appleton, explaining why local legends continue to surround it.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Legend says Dungeons and Dragons players can get their dice blessed at the creator of the game's memorial.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.