The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This impressive ledge seems to float above the Upper Buffalo Wilderness.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

This mill has survived a tumultuous past to still produce flour and cornmeal.

One of the oldest show caves in Arkansas.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

The warmest cave in the Ozarks features two seemingly bottomless lakes.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

From a canyon-like gorge, more than 20 million gallons of water emerge every day, while a smaller spring drips down, creating the illusion of an endless, gentle waterfall.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

Romance fans worldwide make the pilgrimage to this group of historic covered bridges in rural Iowa.

This historic cliffside mansion uses a natural cave for air conditioning.

Some say that the battle fought at this Kansas site in 1856 was the first unofficial battle of the American Civil War.

The longest of the four remaining covered bridges in Missouri.

This unconventional used book store was once in the news for the surprising act of burning books.

This vessel is believed to be the oldest operating fireboat in the world.

The seat of Buffalo government is a gorgeous Art Deco palace.

Toxic waste disaster that founded the Superfund program.

Take a hike to this remote, scenic tea stop in the Canadian Rockies.

Tucked away between two 19th-century buildings, this small shop specializes in the macabre.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.