This French colonial post office is arguably the grandest in all of Southeast Asia.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Showcasing some of the best-preserved temples of the Champa Kingdom.

A battle between nature and architecture in the Cambodian jungle.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

The place nearest Seoul where it’s easy to get a good look at North Korea.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

Not quite the menace it once was, this monster still has some chops.

The world's largest permanent architectural projection display entertains audiences nightly with 28-story light shows.

Although resembling a grand Buddhist temple, this structure is actually the largest mosque in China.

An ancient fortification lives on in this Chinese city.

Step back in time at this 19th-century kiosk.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This bridge was constructed from the rubble of the infamous Bastille.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The video game-themed street art first popped up in the French city.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

This medieval synagogue survived the Inquisition as a hospital and church.

An eerie collection of the surviving structures from a past celebration of the future.