The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Museum dedicated to awful artwork.

A memorial to Chinese freedom in the city where American freedom was born.

Created by a local artist, these quirky sculptures each have their own names and personalities.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

The massive machine creates cracking displays of indoor lightning.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

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

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

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

The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Generations of rockhounds got their start at this beloved, historic mine.

This historic folk museum celebrates the attention to detail that makes America great.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

After the state would not recreate this beloved rock formation, three New Hampshire brothers took things into their own hands.

Even Henry David Thoreau found this glacial pothole irresistible.