A daily replay of the experiment that proved the rotation of the Earth.

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

The record holder for the world’s largest peach.

An unfinished rail tunnel that has since been used to house cheese and bats.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

This sundial indicates the time based on where you stand within it.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

The oldest continuously occupied public building in the United States.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Yo, Adrian!

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

One of America's most historic homes also holds a startling literary legacy.

One of the last remaining movie theatres in the country that features a rear-projection system.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A former plague hospital turned medical museum.