A curiosity-seeker's paradise set inside a three-story historic school house.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

If astronomy had a ghost, it would look like this observatory.

It's a unique monument honoring a great character who inspired a generation of young women to be more and pursue their dreams.

At the turn of the century, a chair like rock sat at the top of the falls and hosted the winner of a local beauty contest.

This memorial to the Mercury Seven astronaut stands at the site of his former elementary school.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

A chapel built by Italian POWs during World War II tells a forgotten tale of the war on the home front.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

Both funky and traditional, it's the oldest of its kind in Indiana.

The world's largest anatomically accurate brain sculpture.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

The only freestanding table rock formation east of the Mississippi.

Ornate limestone building now filled with geologic specimens, and more.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

This statue honors a pillar of the early New Haven Black community.

The headquarters of the famous Yale society.

This exhibit is devoted to the games and wonder that Hasbro has brought children worldwide.

Over 50 whirling pools left behind from the glacial age.

A jewel of early electric boosterism once again charms Connecticut's historic "Hat City."

This statue commemorates the importance of hat manufacturing to Danbury, once known as the "Hat City of the World."

A statue commemorating a 16-year old girl's nighttime ride to raise a militia against attacking British troops.

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