The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A colorful kitschy temple and floating market off the beaten path.

A condom-covered Thai restaurant that is more concerned with birth control than food.

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

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

This jam-packed Singapore antique museum preserves the fading remnants of a uniquely mixed culture.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

Singapore's landscaping project is home to 18 incredible Supertrees.

In this Borneo cave, it's not the thousands of bats you need to worry about, it's the blankets of roaches.

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

Giant relaxing Buddha in Malaysia.

Four distinctly unique gardens commemorate the POWs who lost their lives during the Sandakan Death Marches of 1945.

The oldest Jewish cemetery in Southeast Asia is a monument to a disappearing community.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.

Malaysia's floating mosque.

These rat eating Giant Malaysian Pitcher Plants may have evolved to eat shrew poop.

Malaysia's first and only glass temple.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

This monument marks where the exact middle of the world used to be.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.