This beautiful building in the heart of Manhattan's Financial District was empty for decades.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Hear the tales of New York's most notorious criminals.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Make a wish at what might be America's only Catholic shrine to a sinner.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

A Tucson museum and performance space full of found-object movable sculptures.

One of the largest open-pit copper mining operations in the entire country.

The first spinning jail built in the United States is the only one that still turns.

This outdoor observatory offers stellar views and a scale model of our solar system.

World's largest collection of serial killer artwork and other macabre exhibits.

A historic fort commemorating the United States' naval history.

The 10-foot-wide Long Beach home was built on a dare.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.