The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

A Biblically-based Natural History Museum.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

Community bookshelf of 25-foot-tall book spines.

This beloved marketplace mascot poops money and grants good luck.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

After the musical legend's death, his memorial was mysteriously graffitied in gold.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This unusual three-way wooden foot bridge spans two rivers at once.

Mexican food and folk art.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

This former lieutenant governor's home is brimming with curiosities.