The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

A unique set of caves that spits waves back out into the ocean.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This museum is rotten with a century of wax medical deformities.