There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

The world's longest known cave system.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

An overlooked memorial honoring the local Washington residents who died in World War I.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Home to items never before seen by the public.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The only castle in North America to ever house European sovereigns.

The palatial McDonald's that inspired Wesley Willis.

These pretty kitties killed and ate as many as 135 railway workers.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An enormous, inside-out glass globe built in 1935.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

Millions of dollars worth of sculpture decorate this Iowa city center.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Home with Gothic windows featured in a famous painting.

This zombie-themed restaurant stands out in the heart of corn country.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.