The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

Unique tower has outlasted a takeover of the company.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

The last example of an innovative piece of surveying equipment now stands in its inventor's hometown.

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 former mill tunnel was blasted under the ridge to divert a portion of the Muscatatuck River.

The lynching and burial site of America's first train robbers.

At 431 feet and 10 inches, this is the longest historic covered bridge in the United States.

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

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

One-layer pyramid in Indiana.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

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

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

The world's largest collection of mechanical puzzles is a cornucopia of analog bafflers.

A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

The world's largest anatomically accurate brain sculpture.

Stock up on all your horror paraphernalia at this year-round Halloween emporium.

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

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

A winding district gerrymandered into the shape of a mantis.