The road plays 30 seconds of the Marine’s Hymn when driving over the grooved pavement.

Possibly the world’s easiest Easter-egg hunt.

These little-known sands dunes are a geological anomaly in Saskatchewan's southern prairies.

At 32 feet long, this swing is big enough for the whole family—and then some.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This is one really big nut.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

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

The world's largest military aircraft cemetery.

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