One man's vision and a labor of love of many.

Display that gathers the basic elements of the universe in one convenient location.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

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

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

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

A monument to the art of slicing people open.

A wild trout fishery in Arkansas.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

This small town bank is very aware of its name thank you very much.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

This museum chronicles the history of a leprosy quarantine hospital that then became a refuge.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The curiosities and wonders of pharmacy in a delightful historic building.

Site of a former hidden treehouse in New Orleans.