The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The oldest building in Charleston was used to store gunpowder during the American Revolution.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Why have you never heard of the second most popular tourist site in New York?

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

An outlandish shoe shaped house built by an eccentric millionaire.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Two mermen, eternally spitting into each other's mouths.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

A mysterious echo seems to defy the laws of acoustics.

All that remains of the once-booming chain is a single orange-roofed restaurant.

This throwback amusement park is home to rides and unique storybook figures from the past.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.