This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

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

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

A celebrity from the late Cretaceous period.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Also known as the Founding Church of Scientology.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The national park was once a plantation estate.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The most accurate timepiece in the world.

A painfully obvious spy house sits right across the street from the Russian Embassy.

A derelict bit of transportation infrastructure hidden in the woods.