This massive roadside mascot was the first version of the giant to illustrate his butt.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

These curious caverns have been home to mushrooms, gangsters, and disco.

The only arched bridge made of stone on the entire Mississippi River.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

20,000 pieces in a Frank Gehry-designed building.

When flour explodes, it's not a pretty sight.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This is not your typical jungle gym.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Less a museum than a bizarre fantasy world created by artists and engineers.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A large circus museum with summer performances.

The arboretum whose marshy soil sucked up the dreams of housing developers.

More than 5,000 contemporary and "historic" mustards from around the world.

A bypass decorated with large wooden troll carvings.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

When waves crash onto this section of beach, the rocks sing a song.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

Profile of a sleeping person 4km long in 250m high cliffs.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

Mysterious 500-year-old tapestries depict a unicorn hunt.