A toxic ghost town sitting atop a massive coal fire.

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

The sign at the garden gate reads: "These Plants Can Kill."

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

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

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Medical and zoological curiosities for sale.

The final resting place of New Orleans' most famous voodoo priestess.

A walk through the historic city center, under the streets of Seattle.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The fairy tale castle of the "fairy-tale king."

New York's oldest magic store.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Abandoned railway line circling the city of Paris.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

France's most famous cemetery, with some of its most curious tombs.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.