Three prestigious academic collections come together to create a world-class natural history museum.

Impossibly life-like natural history models created out of glass by a father and son.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

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

This impressive Boston holy house is the American mecca for Christian scientists.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A semi-scholarly approach to sex.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Home to items never before seen by the public.

At 207 feet, one of the world's longest continuous escalators.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The uniquely-designed winter home and sculpture studio of Anna and Archer Huntington.

Tour the oldest unrestored plantation house in America that is open to the public.

One of the oldest living oak trees in the Southeast.

A rapidly disappearing authentic bit of the old south.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.