Wallenda walks the straight and narrow across Niagara Falls

Wallenda was the first person to make the walk since 1896.  (Carolyn Cole / Los Angeles Times)

Wallenda began his walk from Terrapin Point on the U.S. side and reached the Canadian side 34 minutes later.  (Carolyn Cole / Los Angeles Times)

Wallenda takes it one step at a time.  (Carolyn Cole / Los Angeles Times)

ABC, which broadcast the event, demanded that Wallenda wear a safety harness.  (Carolyn Cole / Los Angeles Times)

The crowd watches Wallenda make his historic walk.  (Carolyn Cole / Los Angeles Times)

Wallenda celebrates after completing his journey.  (Carolyn Cole / Los Angeles Times)

Nik Wallenda holds a news conference with his family, including his wife Erendira, after his historic walk over Niagara Falls.  (Carolyn Cole/Los Angeles Times)

The crowd waits on the Canadian side.  (Carolyn Cole / Los Angeles Times)

Spectators take positions hours before the walk.  (Carolyn Cole / Los Angeles Times)

Tom and Laura Gonnering of Northport, Ala., came to Niagara Falls for their third anniversary. Laura made signs to show her support for Wallenda.  (Carolyn Cole / Los Angeles Times)