A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

A rich history stashed behind an unassuming door in the heart of Gold Country.

Established in 1853, this crumbling cemetery sits forgotten on the corner of Church and Chapel in Gold Country.

The oldest continuously operating Catholic school west of the Mississippi.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

You don't want to get caught in this trap--or do you?

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.

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

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hunting trophies decorate Oregon's most unique bar-restaurant.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

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

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Neoclassical bank designed by NY architects Helmle & Huberty.

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

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

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

A mass grave for victims of one of the city’s worst fires.

A curious friendship between two inanimate ladies.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.