A dangerous narrow-gauge railroad once traced a route through this striking canyon.

You might want to bring a rain jacket to this travertine triple waterfall.

Take a dip in the world's largest mineral hot springs pool.

Even in death, he's still your huckleberry.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

A crumbling mountain resort that looks like it was abandoned in an instant.

The largest ski jump in the Western Hemisphere hasn't hosted skiers in decades.

A larger-than-life version of the hat beloved by hunters, outdoorsmen, and Holden Caulfield.

As its grandiose name implies, this wooden dome is unsurpassed in size.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This freshwater spring fills with 10,000 gallons of water per minute.

These rural ruins are of a Midwestern hotel that was once an elegant spa for the wealthy, then a gangster’s hideaway, and finally a haunted retreat.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

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

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

An oddly poignant roadside attraction celebrating American folklore.

Paranormal activity on the great lakes.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

A theme park attraction designed to turn your children into LARPers.

More than 5,000 contemporary and "historic" mustards from around the world.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.