Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

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

This two-room shotgun shack in Tupelo is the birthplace of a King.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

Whimsical bronze sculptures of smiling coins and houses await visitors to this park.

The last intact steam engine factory in the United States.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The juke joint where legendary soul artists ate, drank, and made merry.

Elvis's own personal tropical hideaway.

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

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

A world of craftwork elegantly curated in a historic brick warehouse.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

This café is dedicated to serving coffee roasted by Native American-owned companies.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

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

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.