This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Art Deco stylings conceal the true nature of this bridge.

A replica of the first public theater built in California.

The California capital city once stood 10 feet lower than it does today.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

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

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

You thought Santa Claus didn't exist, but it turns out you were wrong.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

After covering almost 1.5 billion acres, the survey's still not finished.

Housing the history of a small Ohio town that is known to some as the pottery capital of the United States.

A storybook church made from a mesmerizing medley of multi-colored stones.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.