This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Civil War Fort on an island in the Boston Harbor.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

The Burnside Fountain and its questionable interpretation.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.