“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

A giant donut stands as a popular symbol of Los Angeles iconography.

Oldest building in California still in use.

The unbelievably opulent home built for an infamous newspaperman.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

Collection of fossils, plants, and ancient animals encased in amber.

See six states from the newly restored 100-year-old historic roadside attraction.

This enigmatic building features numerous architectural styles.

This shrine is an ode to the region's rich Hispanic heritage.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

One of the first intercontinental ballistic missile sites in the United States.

See massive fossils that are over 200 million years old in northeastern Arizona.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A diverse, expansive nature preserve in northeastern Kansas.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.