A celebration of once forgotten materials.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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.

A very classy 1920s-era bar right in Grand Central Station.

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

The Hanshin Expressway goes right through its 5th, 6th, and 7th floors.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Swedish skyscraper with a 90° twist.

Steepest flood safety railway in the entire world.

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

Memorializing an American tragedy of massive proportions.

Naturally protected city carved from a rock face.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Dramatic river bend surrounds a natural red-rocked pedestal.

Sumptous memorial to a controversial independence.

A multi-storied adobe complex has been inhabited for more than a thousand years.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Massive stele returned to Ethiopia after 70 years in Rome.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The world's largest wooden structure.

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

340 bicycles, 65 feet high.