The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A wall of chewing gum moonlights as collective art.

This private residence was the template for one of the most beloved television homes of all time.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

An office built to look like a giant basket.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

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.