Niagara Falls is a stunning natural waterfall on the border between Canada and the USA. Take the boat tour for the full (drenching!) experience.

Perhaps America's most iconic symbol, the Statue of Liberty welcomes air and sea travelers to New York City. See her up close with a boat tour or - if you're adventurous - by helicopter.

One of the most iconic bridges in the world, the Golden Gate Bridge spans over a mile linking San Fransisco with Marin county. Amazingly, it was finished ahead of schedule and under budget.

Take a helicopter tour for the official closeup of the iconic Hollywood sign.

The Grand Canyon is a striking icon of the American West, and home to hundreds of miles of hiking trails. Outdoors adventurers can easily spend a week or more exploring.

The U.S. Congress heads back into session with a Sept. 30 deadline to fund the government.

Times Square is the world's most-visited place, with over 131 million visitors annually. Soak in the nonstop bustle of crowds and buzz of enormous advertising screens here.

Featured in movies, video games and more, this sign is one of the most recognizable symbols of Las Vegas.

Seeing the pyramids and the Sphinx is a bucket list dream for many. Don't bother with hiring an official tourist guide - savvy day trippers can save time (and make memories!) by going directly to the camel drivers.

The icon of the City of Light, the Eiffel Tower is a must-see on many bucket lists. Take a tour up to the top and look over - or for a more casual visit, bring a baguette and Brie to picnic on the park at the foot of the Tower.

Join the thronging faithful (or just curious) and crowd into St Peter's Plaza on a Sunday. The Pope speaks from the central balcony from time to time, and he's definitely worth the crush.

Rome's Colosseum once hosted brutal gladitorial games for the delight of its citizenry. Now it preserves the city's architectural history and captures the imagination of millions of visitors each year.

Take in classic London culture at Trafalgar Square. Visit museums, see historical sculptures, and watch the fountains' elaborate lightshows here.

The Brandenburg Gate was constructed to signify post-war peacetime in Germany. It stands symbolically on the start of an ancient road leading out from Berlin.