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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

A seemingly inexplicable memorial honors a beloved Tampa fruit-seller.

The only place for a truly presidential dram.

Home to a 27 room house, this estate was crafted by Black entrepreneur Olander Banks Sr.

The former home of Thomson Francis Mason, the mayor of Alexandria from 1827-1830.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

Hidden in the forest atop a long, winding driveway is this stately home.

The only remaining African American schoolhouse in northern Virginia is now a museum dedicated to formerly enslaved people.

An eclectic treasure trove of maritime marvels.

These unusual rooms on wheels are holdovers from the 1960s.

A superbly preserved example of Georgian residential architecture that was once home to one of the founders of Alexandria, Virginia.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

A former major munitions plant that has been converted into a sprawling art space.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

A graveyard that dates back over 200 years stands near a busy shopping center.

A whopping 14,000 copper coins cover this miniature fighter jet.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A giant time capsule not scheduled to be cored until 2040.

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.