One of the most extensive and well-preserved collections of dinosaur footprints in North America.

This historic national park is covered in the stunning ruins of red rock pueblos.

See massive fossils that are over 200 million years old in northeastern Arizona.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Ancient pueblos built into the base of a natural canyon wall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

The largest and most well-preserved petroglyph site in the Verde Valley.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This lab's maddening silence is good for business but bad for sanity.

A sprawling outdoor museum filled with larger-than-life works of art.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

All of Chicago's wood-paved streets are long gone but two alleys remain.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

Sip whey-based vodka at the first Native-owned distillery opened on a reservation in centuries.

This whimsical sculpture garden is a local treasure.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

This unique zoo is the only place in the world where you can see all 15 species of crane.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

An oddly poignant roadside attraction celebrating American folklore.