Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

This scented city oasis was a labor of love.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

This dramatic rail curve was once the target of a failed Nazi attack.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

Home of the only civilian casualty at the Battle of Gettysburg.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A local prank turned town icon.

A curious building honoring past and current members of a historic musical comedy troupe.

World's first "penitentiary," meant to be humane, drove men insane.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

There aren't too many operational funiculars around, but Pittsburgh has two!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.