The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Its floors are marked by colorful cues depicting Michigan's native fauna.

In the main dining room, a nine-ton boulder caps the fireplace designed by local architect Earl Young.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

Full-sized barn houses many restored instruments.

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

At the top of a local ski mountain is a hidden cemetery containing the graves of just two soldiers.

A memorial to the Potawatomi chief who allegedly ran nearly 150 miles to alert settlers of an impending attack.

This tribute to a local man towers within a quaint lakeside park.

The smallest useable chapel in Michigan is five-by-eight feet and has seating for three.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

Trade in that pesky human soul for cold-hard circuits.

The city is full of whimsical portals to another world.

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

If it wasn’t for an innovative use of quilts during a crisis, the city of Panguitch might not exist today.

Eat a tasty meal in the house where John Steinbeck was born.

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

The notorious Wild West outlaw was raised in this unassuming abode.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

An homage to everyone's favorite prehistoric cartoon family.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.