A Halloween Haunting: Clowns and Zombies Make Mischief Worldwide

Revelers in costumes take part in a Zombies March in central Kiev on Oct. 28, 2017, ahead of Halloween celebrations on Oct. 31.

Ashley Mazyck stands at the \"Terror Behind the Walls\" haunted house on Oct. 24, in Philadelphia. The haunted house covers 11 acres of the Eastern State Penitentiary, which operated from 1829-1971 and imprisoned famous criminals like Al Capone.

A U.S. soldier serving in the NATO peace keeping mission in Kosovo (KFOR) helps his friend to adjust a mask while taking part in a Halloween party at the U.S. military camp Bondsteel in the village of Sojeve, near the town of Ferizaj, Kosovo on Oct. 29.

Ukrainians wearing zombie costumes and make-up walk through the streets for the Zombie Halloween parade in Kiev, Ukraine on Oct. 28.

Dogs in Halloween costumes attend the Annual Tompkins Square Halloween Dog Parade on Oct. 21 in New York. More than 500 animals participated in what is known as one of the largest dog Halloween events in the U.S.

A surfer dressed in a costume from the movie 'Scream' hits the waves during the annual Blackies Halloween Surf Contest in Newport Beach, California, on Oct. 28.

A girl runs through a pumpkin patch in Pomona, California on Oct. 28.

President Donald Trump meets with the children of members of the press for Halloween in the Oval Office of the White House in Washington on Oct. 27.

Participants in costumes stand under the rain during a Halloween event in Kawasaki, Japan on Oct. 29.

A boy wears a devil's mask as he poses for a photograph in a craft workshop for masks during the celebration of the 'Los Aguizotes' in Masaya, Nicaragua on Oct. 27.

A mirror reflects a man getting his face painted in a workshop during the celebration of the 'Los Aguizotes' holiday in Masaya, Nicaragua on Oct. 27. Hundreds of people dressed as characters from the ancestral legends of Nicaragua for the traditional festival, which is celebrated annually on the last Friday of October. The holiday, Nicaraguans stress, is not related to Halloween celebrations.

Men dressed as clowns pose for a photo during a Halloween party in Ciudad Juarez, Mexico on Oct. 27.

A person dressed in a diabolical clown costume looks in the mirror at the start of the Zombie Walk in La Paz, Bolivia, Oct. 28. The annual walk is a Halloween charity event to collect money to feed street animals, according to organizers.

Children dressed as witches and demons for the 'Los Aguizotes' celebration in Masaya, Nicaragua on Oct. 27.

A reveler participates in the 'Los Ag?izotes' celebration on Oct. 27.

A woman dressed as a Catholic priest zombie participates in the annual Zombie Walk in La Paz, Bolivia on Oct. 28.

A house is decorated for Halloween in Avondale Estates, Georgia on Oct. 28.

Participants in costumes dance at a club during a Halloween event in Kawasaki, south of Tokyo on Oct. 29.

U.S. soldiers serving in the NATO peace keeping mission in Kosovo (KFOR) wear masks while taking part in a Halloween party at the U.S. military camp Bondsteel in the village of Sojeve, near the town of Ferizaj, Kosovo on Oct. 29.

Homeowner Gail Douglas adjusts a likeness of Russian leader Vladimir Putin erected beside one of President Donald Trump and another of Hillary Clinton at her home in Avondale Estates, Georgia on Oct. 28.