A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Final resting place of two dozen New York City harbor ships.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

This former crime corner has been turned into an eclectic community center.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

There must be a pun in this haystack somewhere...

The most confusing clock in New York.

Walk into the 19th century without leaving Brooklyn.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

The first and only carousel with a lineup entirely of insects.

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.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Volunteer-run library dedicated to exploring five decades of activism history.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Avoid gangster interaction while window-shopping.

New York City's only preserved family home from the 19th century.

An artist's cute bronze subway sculptures belie his violent artistic past.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A hidden "place of interment for gentlemen."

A bit of retro transportation flair preserved in the world's largest department store.

During the holidays, a vintage subway train whisks New Yorkers back in time.