A diorama of the Civil War, fought by cats.

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

One of Gettysburg’s least visited battlefield memorials is off the beaten path, but worth a visit.

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

Visit the monolithic tomb of America's most famous general.

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

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

Unrepaired walls from a 1920 anarchist bomb attack.

This Frank Lloyd Wright summer house was designed along Lake Erie as a retreat for a client's wife.

At this farm in upstate New York, the former president plotted his reelection campaign.

"Call for the doctor, call for the nurse... Vote!! said the lady with the alligator purse."

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

This location of a Mexican chain restaurant has a unique location: an old jail.

The dress young Pierce wore prior to his breeching ceremony in the early 1800s is now on display for all to see.

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

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This grand gothic brewery has been pumping out suds for over a hundred years.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

The rogue roots are gradually consuming some of the historic marble grave markers.

Recorded as the first person buried in Arlington Cemetery.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.