A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Dr Barnes' $25 billion private collection of art and arboretum.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This Tang Dynasty behemoth is the biggest Buddha in the world.

This 700-year-old street food market features baby octopus and soy donuts.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

A Japanese train station built around a 700-year-old camphor tree.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

The final resting place to 300 Victorian-era pets hides inside the city park.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

The only castle in North America to ever house European sovereigns.

The world's brightest bioluminescent bay.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Thanks to the building of a life-giving reservoir, part of the Great Wall of China is now a dive site.

The once highest point in China blends symbolic design with a kick of adrenaline.

This former textile district now is now a thriving center for contemporary Chinese art.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A natural arch offers panoramic views of Yangshuo's karst hills.

999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.