Photo of the day

DeNeen Brown and Marc Carlson look through archives of the 1921 Tulsa Race Massacre, stored in the McFarlin Library at the University of Tulsa. This is part of The Red Summer.

The couple prepares to dispatch their luggage so they don't have to throw the pesto away. This is part of Alerta Aeropuerto: Roma.

Eli Martinez, Matt Smukall, Raquel Braun, Chelle Blais and Carlee Jackson secure a shark to the side of the research boat. This is part of Shark Attack Files.

Rusted bow of the R.M.S. Titanic ocean liner in the North Atlantic. This is part of Bob Ballard: an explorer's life.

A nurse shark rests on a rock in shallow water near the dock. This is part of Shark Attack Files.

The couple seems to have forgotten to dispatch all the liquids from their hand luggage. This is part of Alerta Aeropuerto: Roma.

Robert Ballard in control room of the E/V Nautilus while on expedition in the South Pacific. This is part of Bob Ballard: an explorer's life.

Carlee Jackson swims near a shark in the shallow water by the dock. This is part of Shark Attack Files.

Dr. Félicie Dhellemmes and Chessie Mason search for a missing gang of lemon sharks in the mangroves of Bimini, The Bahamas. This is part of Shark Gangs.

James Glancy films a Bull Shark swimming above him in the waters off of Jupiter, FL. This is part of World's biggest Bullshark.

A gang of bull sharks in Bimini, The Bahamas. This is part of Shark Gangs.

Grey Nurse Shark at Fish Rock, South West Rocks, NSW. This is part of Shark Beach with Chris Hemsworth.

A gang of lemon sharks swims in a lagoon in Bimini, The Bahamas. This is part of Shark Gangs.

Chris Hemsworth diving at South West Rocks - Fish Rock. This is part of Shark Beach with Chris Hemsworth.

A gang of lemon sharks swims in a lagoon in Bimini, The Bahamas. This is part of Shark Gangs.

Chris Hemsworth preparing to dive at Fish Rock, South West Rocks. This is part of Shark Beach with Chris Hemsworth.

Bull sharks swimming in Bimini, The Bahamas. This is part of Shark Gangs.

Chris Hemsworth diving at Fish Rock, South West Rocks. This is part of Shark Beach with Chris Hemsworth.

An orca swimming with a stingray in its mouth. This is part of Killer Whale vs Shark.

A great white shark with an interesting bite mark on its fin swims out of the deep. This is part of Killer Whale vs Shark.

A Great White shark with its mouth slightly open. This is part of Killer Whale vs Shark.