A picture of the #sky (at Rest Area)

A picture of the #sky

A picture of the #sky (at Marathon)

A picture of the #sky (at South Mountain Rest Area)

Gilded skull (at National Museum of Health and Medicine)

Selfie with actual human brain (at National Museum of Health and Medicine)

A picture of the #sky (at National Museum of Health and Medicine)

A picture of the #sky (at National Museum of Health and Medicine)

A picture of the #sky (welcome to Maryland!)