Two small markers remember the Alamo's feline protectors.

A diorama of the Civil War, fought by cats.

Could it have picked a better place to land?

The last street in Pittsburgh that's paved with wood.

These lush botanical gardens employ the most purrfect pest control force.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

This public space is speckled with the eerie remnants of a defunct amusement park.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A beautiful oddities shop crammed with strange and morbid curiosities.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

A monument to the “unrecognized dead” of the tragic 1876 train crash.