The world's brightest bioluminescent bay.

This former sugarcane transport tunnel is now a portal to a lovely beach.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

This hotel was the site of major events in sports and radio history. It was also used as a detention center during World War II.

Two thousand artifacts from around the world collected by one woman who loved to travel.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

The massive machine creates cracking displays of indoor lightning.