Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

An unconventional space for art and science housed in a massive old warehouse.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

New York City's only radical feminist independent bookstore.

The remains of what was once the world's steepest passenger funicular.

The building stands within a quiet, postcard-perfect New Mexico village.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

Once one of the largest producers of pig iron in the world.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

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

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

The most confusing clock in New York.

A no-frills cinephile haven known for showing offbeat, underseen films.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

The eroded core of an ancient volcano is now accessible by a short hike.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Ghost town with a beer-drinking goat for mayor.

Minimalist modern art on a repurposed military base in rural Texas.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.