The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

An autonomous oak in Alabama.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

This tiny, triangular block has held the world record since 1964.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

The museum houses one of the world's largest collections of glass paperweights.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

A lovely hidden waterfall right off the highway is well worth a stop.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

One of the largest open-pit copper mining operations in the entire country.

America's only nuclear missile silo open to the public.

These free-roaming horses were once destined to disappear from the land.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Over 100 lasers, including huge ones that look straight off a sci-fi set.