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.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

This urban park is home to monkeys and a number of endangered plants.

The cascade created by Taipei’s rush-hour traffic has become one of the city’s quirkiest photo spots.

Taiwan's last Chinese character letterpress preserves the dying art of Chinese character mold making.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

The residence of a Taiwanese literary scholar sits down an alleyway adorned with depictions of snails.

On the roof of the oldest department store in Tainan stands a Shinto shrine dating back to the 1930s.

Only through deep darkness and tragedy did this elaborate royal palace become a sacred temple.

A century-old tower with great harbor views in a quiet space, hidden among skyscrapers.

Thousands of abandoned statues of deities are taken to this hillside in southern Hong Kong.

This hulking behemoth is actually five interconnected towers built in the 1960s.

This naval gun is fired every day at noon, an odd timekeeping tradition the origin of which is local legend.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Unbeknownst to many, this fountain was erected as a tomb and still holds the remains of a Frenchman.

Perhaps the only one of its kind, the nearly-forgotten site once held mortal (and rigged) gladiatorial games between tigers and imperial war elephants.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

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

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

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

Nearly three tons of weapons from the Vietnam War still remain in this small, hidden museum.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.