This remote 4,500 year old medicine wheel is one of the last of its kind.

These little-known sands dunes are a geological anomaly in Saskatchewan's southern prairies.

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 beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Modest by day, illuminated majestically at sunset.

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Rock-cut cave complex filled with ancient Buddhist artwork.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

What happens when a sculptor has to find a way around a 100-year-old copyright.

The world's largest moose statue is located (where else?) in Canada.

A broken man's homemade, seaworthy ship rests in the middle of the Canadian prairie.

Underground tunnels once home to crime are now back open to the public.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

Historic site where Native American hunters once trapped and killed buffalo.

A sleepy little town that had the greatest landslide in North American history fall on it.