This hollow steel globe is the second-largest in the world.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

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

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

To find the "unicorns of the deep" you've got to go downstairs.

These pretty kitties killed and ate as many as 135 railway workers.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

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

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.