These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A fitting attraction for the corn capital of the world.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Take a drunken tour inside the world's largest known geode.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The palatial McDonald's that inspired Wesley Willis.

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

This historic hotel invented the chocolate brownie.

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

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

A real flying saucer, contracted by the U.S. Air Force.