Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

Yo, Adrian!

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

A layered tribute to the work of mosaicist Isaiah Zagar.

This derelict building used to house infirm Freemasons, their widows, and orphans.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

Underground tunnels remain beneath this abandoned mental asylum.

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

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Wall after wall of this French seaside neighborhood is intricately decorated with seashells and corals.

One man's lifelong obsession with death.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

A recently abandoned psych ward at the end of Sanatorium Road.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

One of the last Jazz Age "Wonder Theaters" in New York City.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

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

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.