The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

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

At the time of its completion, it was the tallest dam in the world.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

This colorful overpass is one of Bhutan's longest suspension bridges.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

Quito's historic, main square dates back to the 16th century.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

Guns that have been defending San Francisco since 1904.

Standing in for the first ship to navigate the Northwest Passage.

The famous aviator's final resting place is a study in natural beauty.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This plaza at the end of the world teems with monumental tributes to a problematic history, and laser discs.

Russian Orthodox church built on an Antarctic island.

The best place to send your postcards home from Antarctica.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

This Parisian gem is one of the most incredible ethnographic museums in the world.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

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

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.