17th century mosque for Shah Abbas' harem.

The palace of the King of Kings, burned by Alexander the Great.

Marked by the hand of the explorer Henry Morton Stanley.

A self-funded cemetery with a long list of inhabitants.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

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

A quick and simple solution to Cambodia's train woes.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

A battle between nature and architecture in the Cambodian jungle.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

A vast, otherworldly collection of Buddhist stupas.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

The oldest teak bridge in the world is made from the remains of a royal palace.

A grand imperial capital left to fall into magnificent ruin.

Abandoned bridge hidden deep in the San Gabriel Mountains.

A second generation sun-powered marvel lights up the night.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Arcadia is home to a haven for nature geeks and 80s TV lovers alike.

Sports history, made in the Arroyo Seco.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The private clubhouse for the members of the Academy of Magical Arts.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.