Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Enormous lake at the bottom of a unique cave system.

This folk art dinosaur was almost pushed to extinction due to lack of a building permit.

The childhood home of the meat inspector who would become the face of America.

The dress young Pierce wore prior to his breeching ceremony in the early 1800s is now on display for all to see.

Beautiful natural falls where Satan once ruined a pot of beans.

America's oldest archaeological site or a muddled case of wishful thinking.

Carved, egg-shaped stone with no explanation.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

A former zoo turned public park, where visitors can hang out in the old animal cages.

A beautiful geyser under environmental threat.

This replica of the Greek structure is in the heart of Nashville.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The second oldest continuously operating bar in Louisiana.

Yo, Adrian!

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.