A glimpse of what it's like in the sinkhole that opened up Wednesday under a wing of the National Corvette Museum in Bowling Green, Ky. National Corvette Museum hide caption

itoggle caption National Corvette Museum

Protesters attend a rally in Hong Kong on Sunday after China's National People's Congress denied open elections for the next chief executive. Many in Hong Kong feel their freedoms are eroding under mainland political pressure. Vincent Yu/AP hide caption

itoggle caption Vincent Yu/AP

Across Washington State, hydroelectric dams are blocking salmon as they migrate to their spawning grounds. Enter the salmon cannon. Ingrid Taylar/Flickr hide caption

itoggle caption Ingrid Taylar/Flickr

St. Louis Rams draft pick Michael Sam watches pregame festivities before the start of the South Dakota State-Missouri NCAA college football game on Saturday, in Columbia, Mo. Sam, the first openly gay player drafted by an NFL team, was released by the St. Louis Rams Saturday. L.G. Patterson/AP hide caption

itoggle caption L.G. Patterson/AP

A member of the Lesotho military looks on as he stands guard in front of an armed personnel carrier at the entrance of the army barracks in the capital Maseru on Saturday. Lesotho's Prime Minister Thomas Thabane has accused the army of staging a coup. Siphiwe Sibeko/Reuters/Landov hide caption

itoggle caption Siphiwe Sibeko/Reuters/Landov

President of Ukraine Petro Poroshenko (left) and EU Commission President Jose Manuel Barroso during a news conference after a meeting at the EU Commission headquarters in Brussels on Saturday to discuss the crisis in eastern Ukraine. Julien Warnand/EPA/Landov hide caption

itoggle caption Julien Warnand/EPA/Landov

Smoke rises near a Syrian flag hoisted up a flagpole as a result of the fighting between Syrian rebels and the Syrian Army over the control of Quneitra crossing, on Saturday. The area is where dozens of U.N. peacekeepers had been under siege by Nusra Front fighters. Atef Safadi/EPA/Landov hide caption

itoggle caption Atef Safadi/EPA/Landov

Texas Gov. Rick Perry talks to the media and supporters after he was booked on August 19 in Austin. Perry is charged with abuse of office and coercing a public official. Eric Gay/AP hide caption

itoggle caption Eric Gay/AP