This historic railway museum may have lost its passengers but not its love for trains.

The world's largest public collection of PEZ memorabilia.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

The headquarters of the famous Yale society.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

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

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

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.

Avoid gangster interaction while window-shopping.

Visit the monolithic tomb of America's most famous general.

A popular European tradition makes its way to the states on one of America's most famous bridges.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The "Seinfeld" diner.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Elevated freight railway turned wildly successful urban park.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."