This unique collection collects pieces of art etched into thin pieces of stone.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A lush green oasis in the middle of Chicago.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This life-sized effigy commemorates the dedicated abolitionist and social reformer.

Inside the Wayne County airport is an amazing collection of lights and sounds.

World's largest Christmas store.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

This shallow cave got its name from copious amount of human bones found inside.

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

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

Rare recess caves fill this unbelievably beautiful Ohio park.

A herd of roughly 250 American bison roam these plains.

A focal point for the German American Festival-Society symbolizing the "Spirit of Unity' and fellowship for the Toledo area.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

Strange physical sensations and optical contradictions keep visitors coming back for more.