A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

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

At 207 feet, one of the world's longest continuous escalators.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

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

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.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

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

A rotating cast of guys and dolls in front of a Washington, D.C. building.

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

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

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

Obscure Freemasons still live in D.C.’s largest private residence.

Mysterious installations bring levity and light to a sometimes stodgy city.

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

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

Washington D.C.'s most famous pianist, composer, and bandleader still tickles the ivories outside Howard Theater.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

The trials and tribulations of marking Poe's grave.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

A piece of outsider public art accompanied by a strange urban legend.

Burial site more than 300 years old.