This lovely pocket park is one of the most under appreciated in D.C.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

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

Outsider art meets paleontology at this roadside reptile repository.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

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

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

This impressive scene portrays the elusive forest giraffe of Central Africa.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A small Richmond island dotted with the remnants of hundreds of years of history.

Within this lovely Richmond cemetery lie the remains of famous Virginians and some of Edgar Allan Poe's most beloved family and friends.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.