Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

The site of the one and only battle of Lord Dunmore's War.

A trek through the solar system here on earth.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

Ruins of an old sugar mill sitting quietly next to a park in rural Florida.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

A gaudy painted elephant stands in memory of south Florida's fallen carnies.

This small island was the first National Wildlife Refuge ever created in the United States.

The largest freshwater lake in the Florida Keys.

Get up close with some alligators at this roadside farm attraction.

The highway's southernmost spot is a beloved local attraction.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

"We Seceded Where Others Failed."

A thriving Black community was destroyed by an angry white mob at this site in 1923.

Flip your own pancakes in this old sugar mill within a Florida state park.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An underwater statue of Christ blesses the depths off Key Largo.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

Over 120,000 curious objects that have shaped our modern world.

One of the few places where you can explore a 1918 paddlewheel steamboat from stem to stern.