A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Watch the newest land on the planet form before your eyes.

Its buzzing collection honors vibrator history.

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

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

The world's longest known cave system.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

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

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

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

World's largest Christmas store.

Ancient petroglyphs discovered only after a massive fire swept across Michigan in the 1880s.

Canada shows its hockey pride with a giant stick.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Legs Inn provides Polish food, a cornucopia of Odawa artwork, wood carvings, and mounted deer heads.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The clock that sets them all.