The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

An obscure waterfall that looks like something out of a fantasy novel.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

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

An eccentric inventor's castle home with its own indoor weather system.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

The only diamond mine in the world where you can keep what you find.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A 300-ship graveyard, with a few still visible at low tide.

A hollow cement depiction of time's inexorable effect on the human body.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

A 18th century graveyard and its astonishing cortege of macabre iconography.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.