The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The most decorated dog of World War I is preserved in the Smithsonian.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The site of the climactic scene from the classic horror film is now a historic landmark.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The most accurate timepiece in the world.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

A rare view of a preserved Victorian science museum.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

Museum dedicated to awful artwork.

Impossibly life-like natural history models created out of glass by a father and son.

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

The massive machine creates cracking displays of indoor lightning.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Final resting place of one of the classic authors of horror literature.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.