Travel like a local: Residents share their favorite places in our top city guides: New Orleans, Rome, Tokyo and Mexico City.

Trovants are rocks that grow by absorbing minerals from rainwater. Romania is home to a cluster of trovants that inspired folklore of dinosaur eggs, plant fossils and alien creations.

What's Europe's role in the peaceful settlement in Ukraine, the risks of a possible behind-the-scenes deal between Donald Trump and Vladimir Putin, the elections in Ukraine and Romania, and other ...