This museum preserves the heyday of Puerto Rican coffee.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Decades before the scandal, this staircase on the river was a literal "water gate."

An overlooked memorial honoring the local Washington residents who died in World War I.

The oldest continuously operating fish market in the United States.

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.