The Forbidden City served as the imperial palace and winter residence for which two Chinese dynasties?
Which ancient city in southern Jordan is famous for its elaborate temples and tombs carved directly into pink sandstone cliffs?
Originally built as a Byzantine cathedral, then converted into a mosque, and now a museum, which Istanbul landmark reflects centuries of religious and cultural shifts?
Which romantic 19th-century castle in Bavaria, Germany, inspired Walt Disney's Cinderella Castle?
Which Southeast Asian temple complex, originally Hindu and later Buddhist, is the largest religious monument in the world and depicted on Cambodia's national flag?
Considered a masterpiece of Gothic architecture, which French cathedral is particularly renowned for its extensive collection of original 12th and 13th-century stained glass windows?
Which influential house, designed by Frank Lloyd Wright, is built partially over a waterfall in rural southwestern Pennsylvania?
Which contemporary museum in Bilbao, Spain, designed by Frank Gehry, revolutionized museum architecture with its distinctive titanium-clad, deconstructivist forms?
Standing 828 meters (2,717 feet) tall, which skyscraper in Dubai, United Arab Emirates, holds the record for the world's tallest building?
Stretching over 21,000 kilometers in total, which ancient defensive structure was built to protect Chinese states and empires against nomadic incursions?