This vast kitty-themed collection illustrates the history of human-cat interaction.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

Marvel at 400-year-old trees in one of the last remaining old-growth Appalachian forests.

This dam is part of the nation’s largest public power producer and a historic steward of Hiwassee River.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Experience the pivotal Civil War battle at this interactive museum.

Soldiers’ scrawls turned into history’s signatures.

This is the spot where the bloodiest battle in the American Civil War may have started.

This stone polylith serves as both a 100+ year old experiment and monument to the history of science.

See the place where little league baseball was born.

Tour the row, actually a few blocks, where 19th century lumber barons built their grand homes.

This sculpture brings optical illusion to the roadway.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

These hooded graves are the only of their kind in the United States.