Legend holds eating just one of these black eggs can add seven years to one's life.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

This Dalecarlian horse is about the size of a pinhead.

This terrifying glass bridge on the side of a mountain cracks as you step on it.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.