The view from the top of the Old Post Office Tower. (Fritz Hahn/The Washington Post)

Washington's skyline may be low, but it makes for spectacular views: Without a forest of skyscrapers cluttering the horizon, the Capitol Dome, the Washington Monument and other landmarks stand out. While the Washington Monument and Arlington House are closed for construction, here are three other places to enjoy very different vistas of the city.

The Old Post Office Tower: Although the historic Old Post Office on Pennsylvania Avenue NW is now the Trump International Hotel, the National Park Service still operates a free observation deck in its tower. Visitors take two elevators to the top, where they are surrounded by landmarks on four sides. (Maps and interpretive signs underneath the large windows help tourists figure out what they're looking at.) 1100 Pennsylvania Ave. NW; entrance on 12th Street NW. 

A panoramic view from Whiskey Charlie, the bar on the 10th floor of the Canopy by Hilton Hotel at the Wharf. (Fritz Hahn/The Washington Post)

Whiskey Charlie: The most in-demand seats at the Wharf's first rooftop bar offer incredible views of the Potomac River and Washington Channel, as well as planes taking off and landing at National Airport. But with a summery cocktail or beer in hand, you can see far more from other parts of the deck, including Nationals Park and the Library of Congress. 975 Seventh St. SW (inside the Canopy by Hilton hotel). 

Top of the Gate, the rooftop bar at the Watergate Hotel, offers stunning views of the Potomac River and Georgetown. (Fritz Hahn/The Washington Post)

The Watergate Hotel: Georgetown, the Potomac and Rosslyn's high-rise towers can all be seen from the famous hotel's spacious rooftop deck, which features solid (if pricey) cocktails, plenty of seating and a welcome breeze. 2650 Virginia Ave. NW.

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