On this Puerto Rican island, many abandoned naval ammunition bunkers sit open while a few have been padlocked by locals as personal storage.

The world's brightest bioluminescent bay.

This elegant carving of the Buddha guards a small Buddhist temple within a cave.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

A white Buddhist temple with a golden restroom.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

Buddha shrines hide within dark tunnels at this unique forest temple.

This enormous gold Buddha statue was hidden inside a stucco decoy for centuries.

This statue took 60 years to complete.

A shrine built to combat the bad karma of a commercial venture.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

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

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

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

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

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

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Founded by French colonists in 1919, this mountain resort has been transformed into one-of-a-kind theme park.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

This candy-pink cathedral of Da Nang is also known as the Chicken Church.

Vietnam's largest Buddha statue depicts a female sage.

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