Yale University's home for rare works, including the mysterious Voynich Manuscript.

An extra-wide chair built to accommodate the former president's big behind.

One of America's oldest private membership libraries was long one of New Haven's best kept secrets.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This historic national park is covered in the stunning ruins of red rock pueblos.

A small but industrious mining operation that allows visitors to touch precious gems while they are still in the rock.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

This single room has survived the centuries with almost no deterioration.

A natural gas leak provides a flickering flame beneath a waterfall.

This experimental utopian "city of the future" in rural India may hold a dark secret.