Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

One of the only memorials dedicated to journalists who died in combat.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Once America's tallest structure, now a Baltimore landmark.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.