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

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

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

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

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

An avant garde art museum at the University of Chicago.

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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

A magical sanctuary of mythological statuary.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

One man's eclectic collection of treasures found at sea.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

This dilapidated ship carcass covered in trees is a striking sight.

Tour the original street level of Port Angeles, buried underground in 1914.

Shoreline strewn with the remains of ghostly fallen trees.