A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

The fifth-longest natural arch in the world, and the longest outside China.

The man who was president for only one day and spent most of it asleep.

This hand-carved wooden carousel in the Story City North Park was built in 1913.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

This coastal port saw one of the most significant battles of the Civil War.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Sports history, made in the Arroyo Seco.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

An antiquated German apothecary on Chicago's North Side.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A lush green oasis in the middle of Chicago.

A hot dog stand where the heads are just as hot as the dogs.

The 606 is a decade in the making.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.