A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Frida Kahlo's childhood home, now a museum of her life and works.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

An isolated dive site teeming with cnidarians.

Tropical paradise strewn with hundreds of World War II wrecks.

This volcanically volatile island town is home to an abandoned series of tunnels left by the Japanese during WWII.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.

High winds can make this one scary landing.

Mounds of fine golden sand that can rise nearly 500 feet tall.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

New Zealand's only running funicular railway.

Handcrafted thermal spa washes away each night with the tide.

The platform atop this verdant volcano was built with the help of a royal elephant.

Watch the seas clash at the place where according to Maori tradition, the spirits depart for their journey to the afterlife.

Highly spherical boulders on the shores of New Zealand.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

This unusual rock formation looks like an apple that has been neatly sliced in half.

The glacier tucked within a New Zealand rainforest.

One of the world's steepest streets seems to have houses sliding down it.