An ornate tomb pays tribute to one of the most influential and cherished military leaders in Vietnam's history.

Vietnam's largest Buddha statue depicts a female sage.

One of the oldest temples in Ho Chi Minh City, dedicated to a deified Chinese military leader.

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

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

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

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Subterranean place of worship in Indonesia.

A real-life "hobbit" cave in Flores, Indonesia.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

This Indonesian village was revitalized by a vibrant rainbow paint job.

Three wildly colorful calderas top this otherworldly volcano chain.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.