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

A celebrity from the late Cretaceous period.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Washington's iconic carousel has a nice piece of Civil Rights history.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

There’s a special club house at the top for the bell ringers.

A historic arena where the Beatles played their first concert in the U.S.

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

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

A historic neighborhood church is reborn as a psychedelic arts collective.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

A much-maligned monument to teetotalism.

A historic ruin just 20 feet away from a busy highway onramp.

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

Art deco landmark on the outskirts of Washington, D.C.

The "lovely red Vega" of the legendary record-settling pilot.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

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

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.

Largest Roman Catholic church in North America.