Europe's tallest skyscraper isn't as well-known as you might think. The Lakhta Centre, located near St Petersburg, Russia, stands taller than both the Eiffel Tower and London's Shard at a whopping ...

Towering over the quaint Provincetown skyline, the Pilgrim Monument – modeled after the Torre del Mangia in Siena, Italy – is a must-see for history-loving travelers. The 252-foot-high tower ...