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

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

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

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

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This freshwater spring fills with 10,000 gallons of water per minute.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Alexander Hamilton’s creation caused quite a bit of controversy.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

Its floors are marked by colorful cues depicting Michigan's native fauna.

Little did a museum know, they possessed the last-known lunch wagon in existence.

One of the few working locomotive roundhouses in the United States.