Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

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

The fading, forgotten remains of a once bright and booming factory.

Tucked in the back of this amazing antique store is an important piece of medical history.

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

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

These fantastically named natural pools look like something out of a Scottish myth.

This massive library holds what was once the largest book collection in the world.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A kaleidoscopic warehouse-maze of handmade neon signs.

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

Elevated freight railway turned wildly successful urban park.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Medicinal spa created with the discharge from a geothermal energy plant.

Dramatic river bend surrounds a natural red-rocked pedestal.

The only theatre in the world constructed specifically for sound movement.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Visit the site of a subway powered by nothing more than air--and lots of it.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."