A historic presidential getaway on the continental United States' southernmost island.

The museum chronicling a treasure hunter's dream, fulfilled.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Illegal drag racing two stories beneath Chicago’s streets.

The palatial McDonald's that inspired Wesley Willis.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

The humble Hoosier roots of a famed Broadway composer.

A set of tall pillars and alcove-like rooms that are significant to the Miami people of Indiana.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

World's largest Christmas store.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

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

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

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

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

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

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

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

These markers are used to determine the ground stability of the Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.