Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

Largest Roman Catholic church in North America.

A former major munitions plant that has been converted into a sprawling art space.

The resting place of a Civil War celebrity's amputated limb.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

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

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Home to the deepest rift anywhere on Earth.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Jail from the 19th century that was built by inmates.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.