The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A trash dump made beautiful by nature's power.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A semi-scholarly approach to sex.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

A winding path built in secret on the edge of the continent.

Resting place of Hollywood's immortals is also site of summer film screenings.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The legendary building that needed ghostly approval before being built.

A 140-year-old castle with underground caves hidden in San Francisco.

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

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A crumbling hospital from the 1850s on Roosevelt Island.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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