The home of a 19th-century author who brought African-American folktales to the mainstream is now Atlanta’s oldest house museum.

An oddity shop filled with taxidermy, funerary memorabilia, and more.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

Museum dedicated to the struggles of the disabled.

A monument honoring those who died in the Great Famine of Ireland.

The solemn exterior conceals an opulent interior of this 17th century church.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

A memorial to a shareholder activist feared by CEOs around the United States.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

The only tennis court that falls under the jurisdiction of the central bank.

The United States Capitol's former columns still stand.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

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

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

Every drop of D.C. tap water flows through this old waterworks.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.