Independence Hall in the  Independence National Historical Park. Photo © klotz/123rf.

Independence Hall in Philadelphia

The centerpiece of Independence National Historical Park, Independence Hall is the location where the Declaration of Independence and the Constitution were debated, drafted, and signed.

Pedestrians in the underground are silhouetted as light filters through a skylight and reflects on the glossy floors.

Montréal’s Underground City

What started as a solution to cover old railway tracks soon became an integral part of Montréal’s urban planning. Learn more about the history and purpose of the Underground City.

Front of a historic white adobe mission with narrow windows, a wooden door, and a belltower.

Sights in Scottsdale, Arizona

Want to know what to see in Scottsdale? Many of the city’s historic and cultural attractions center on Old Town, while North Scottsdale is home to two must-see attractions: the fabulous Musical Instrument Museum and Frank Lloyd Wright’s winter home, Taliesin West. Kathleen Bryant gives an overview of the best sights in Scottsdale.

A stone carved into the stepped pattern of the upper half of an incan cross combines with its shadow to create a full cross.

The Sacred Steps of the Inca

Step designs are found everywhere in important Inca ruins and are versions of the chacana, a sacred Andean symbol similar to the Christian crucifix. Learn more about the chacana—the key to understanding the spiritual beliefs of the Inca—and where to spot it.