The world’s largest concentrated solar plant generates as many problems as megawatts.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A misnamed well, with a deep dark past.

A Serbian church lit by chandeliers made of weapons.

This replica of the Greek structure is in the heart of Nashville.

The world's longest known cave system.

Live long and prosper in Tennessee.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The terrified face of Henry Wells is etched on this garret window.

Once one of the largest producers of pig iron in the world.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.