This historic hotel invented the chocolate brownie.

The palatial McDonald's that inspired Wesley Willis.

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

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

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

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

A giant Troll lurks under one of Seattle's oldest bridges.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Huge abstract sculptures of the Puerto Rican Flag.

An antiquated German apothecary on Chicago's North Side.

This striking art museum holds an amazing series of curiosity cabinets.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A toweringly silly piece of modern art has been delighting locals since the 1980s.

An architecturally-focused antique shop.

Homemade outdoor church and sculpture garden decorated with glass shards.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A massive sea stack famous for its appearance in The Goonies.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Three hundred years of preserved Spanish colonial history in San Antonio.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.