This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Huge abstract sculptures of the Puerto Rican Flag.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

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

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Years of archaeology, just chillin' by the water cooler.

Internationally known record store and purveyor of "dusties."

These abandoned grain silos and tunnels are an urban exploration dream.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

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

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

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.