A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This modest marker near Notre Dame identifies the very center of Paris.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.