Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

Two mermen, eternally spitting into each other's mouths.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

Three acres of mythology-inspired sculptures are visible from the highway.

Resonating tubes make music from highway overpass.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The remnants of an early American attempt at missile defense.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This giant temperature attraction created some giant electric bills.

A museum dedicated to a sea that should have never been.

World's largest collection devoted to one fruit.

The ghostly remains of an accidental sea.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

Version of the French Riviera destroyed by the sea.

Huge otherworldly domed rocks on the shore of a deadly lake.

Burping, gurgling geothermal mud pots by the Salton Sea.

A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

One of two giant blue cockerel statues erected with an intentional double meaning.