Here are the top 10 most crowded tourist destinations in North America, according to Canada Sports Betting via TripAdvisor data: Faneuil Hall Marketplace - Boston, MA Walt Disney World - Orlando, FL ...

Seismic mapping of North America has revealed that an ancient slab of crust buried beneath the Midwest is causing the crust above it to "drip" and suck down rocks from across the continent.

Over decades, geologists had built up a history of eastern North America by mapping rocks on Earth’s surface. But they got a much better look, and many fresh insights, starting around 2010.