Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

This small museum is an eccentric shrine to boyhood in the 1960s.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

The largest earthwork effigy in the world.

Where beautiful signs live on forever.

Hundreds of 19th-century characters descend upon an Ohio town every autumn.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

A promising candidate for the lost rock laid by George Washington was unearthed, but the hunt is still on.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

Sites connected to a woman born on a ship and spared by a pirate.

Carved, egg-shaped stone with no explanation.

Its incredible collection preserves 170 years of sewing machine history.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

A bit of retro transportation flair preserved in the world's largest department store.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

The oldest Methodist church in the United States has been spreading the good news for over two centuries.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

This museum pays homage to a device that precipitated a watershed moment in Finger Lakes food production.

The fine fabric handwoven at Biltmore Industries was once coveted around the world.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A perfect replica of the beloved show's first set.