This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

Most famous work of one of Frank Lloyd Wright's sons.

Historic funicular railway, believed to be the shortest railroad in the world.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

The legendary building that needed ghostly approval before being built.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The remnants of a failed socialist commune can still be found just off a California highway.

A dazzling display of lights and crystals.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Where the Model T was made and the assembly line was invented.

This sprawling bookstore spans four floors and has more than a million books in stock.

Look closely and you’ll notice that the color changes a third of the way up the tower.

There’s a hidden military meme engraved on the World War II Memorial.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The first "Hut" was actually a small brick building.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A home designed to be on the cutting edge of comfortable, low-cost living.

These markers are used to document elevation changes around the famed dam.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

This sign designates the road that leads to the infamous Area 51.

Named after an outlaw who used the basin as a hideout.