The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

The whole world in one water tank.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

A whopping 14,000 copper coins cover this miniature fighter jet.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

The FBI's urban training course may have the highest fake crime rate in the world.

"They died with their boots on."

The first of Lancaster's "rural cemeteries."

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

Penn State's giant bug collection.

A lighthouse built to save lives that took quite a few with its treacherous location.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

This colonial mansion has been home to a staggering number of American historic figures.

They sort through millions of dollars worth of diplomatic gifts on behalf of the government.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.