In 1975, logger Travis Walton claims he was abducted by aliens in Arizona, then dropped at an Exxon gas station in New Mexico five days later.

Even McDonald’s can’t escape the flying saucer craze in Roswell, New Mexico.

Linda Moulton Howe is a documentary filmmaker and radio host in Albuquerque, New Mexico. She claims aliens are behind cattle mutilations in the desert, and believes the government is in touch with extraterrestrials.

A UF0 fountain stands in front of the Red Planet Diner in Sedona, Arizona.

Jim Dilettoso has analyzed images and videos for alien life since 1977. After looking at video footage of the Phoenix lights on March 13, 1997, he determined they were not manmade.

Kenneth Langley examines what he believes to be a cattle mutilation near the gate of Area 51, the United States Air Force base. He works at a hotel in nearby Rachel, Nevada.

Kenneth Langley is the hotel services manager at the Little A'Le'Inn motel in Rachel, Nevada. He’s a “desert rat”—a term referring to people who scour the desert near Area 51 looking for answers. He calls himself Agent 0051.

The Very Large Array is a series of 27 radio telescopes located in San Augustin, New Mexico. They appear in 'Contact,' the 1997 movie starring Jodie Foster, who plays a scientist searching for extraterrestrial life.

Frank Kimbler teaches earth science at New Mexico Military Institute, but spends his free time searching for scientific evidence at the Roswell crash site.

The Alien Zone is a gift shop in Roswell, New Mexico, offering over 45 opportunities to take your picture with human-sized aliens.

Charles Hall is a nuclear physicist. He claims that between 1965 and 1967, he lived with an alien race called the “Tall Whites” while at a remote military outpost in Nevada.

A view of Area 51, also known as the Nellis Air Force Range, in Nevada.

Lyle Michel attends a therapy meeting in the Las Vegas home of Miesha Johnston for people who believe they’re in contact with aliens or have been abducted by them. They use a crystal pendulum and “Galactic Planet Of Origin Chart” to search for connections with aliens.

The desert near Area 51 in Nevada.