A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

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

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

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

Hot Doug's "Hot Dog" Stand.

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

A mini Wrigley Field for mini baseball players.

A unique botanical garden housed in three giant geodesic domes.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

People escaping slavery passed through the oldest house in Lombard, Illinois on their northbound journey to freedom.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

Pizza with a side of fine art.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A sprawling outdoor museum filled with larger-than-life works of art.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

This modest post office sits on the site of H.H. Holmes' famous murder castle.