At the Capitol Dome, a ____________ must accompany visitors. Those willing to navigate the at times narrow and uneven stairs are rewarded with a rare and breathtaking view.

The National ___________ Hall of Fame Museum showcases the work of people who brought us such advances as antibiotics, audio computer screens for the blind, and that “first and ten” yellow line seen on football broadcasts.

Located in Alexandria, VA and free entry!

It’s electric blue and stands 14½ feet high on the roof terrace of the ______________’s East Building, yet many passersby and gallery visitors miss it.

This small island within Constitution Gardens contains 56 stones bearing signatures of the 56 signers of the Declaration of Independence. Naturally, John Hancock’s is the biggest. George Washington didn’t sign, opting to be with the troops.

The National Deaf Life Museum recounts the 150-year-plus history of this DC university as well as aspects of deaf heritage. Among the exhibits is one about a ten-year NASA project testing motion sickness with deaf subjects.

Part of Blandy Experimental Farm, this arboretum—about 70 miles from DC—is a serene alternative to the more touristy National Arboretum. Stroll quiet paths or sit and take in the views. Even in winter, it can be appreciated via a three-mile scenic loop drive.

The world’s oldest continually operating airport opened in 1909, when Wilbur Wright taught military aviators in the federal government’s first airplane. Public flights followed in 1912. The museum includes historic aircraft and hands-on activities for kids.

The _____________ rooftop has one of the best views in town. Thanks to 20 new weather-resistant tables, you can take it in while picnicking on the roof. Grab some food from the center’s KC Café or bring your own.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions. Built in 1931, the park jutts out from the grounds of the Jefferson Memorial, straight down to the merge of the Potomac and Anacostia Rivers.