Decades before the scandal, this staircase on the river was a literal "water gate."

Perhaps the most scandalous statue of America's first president.

Largest Roman Catholic church in North America.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

A nostalgic bibliographic gem.

The national park was once a plantation estate.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

There’s a hidden military meme engraved on the World War II Memorial.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The United States Capitol's former columns still stand.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

It was once the base for a series of domestic terror attacks.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A winding, cliffside stretch of road overlooking the Delaware River.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.