An island off the coast of South Australia is home to the last purebred Ligurian bees.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.

These abandoned Cold War-era bunkers are now a designated refuge for endangered bat species.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

When waves crash onto this section of beach, the rocks sing a song.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

World's first "penitentiary," meant to be humane, drove men insane.

A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

These eight mummies are the best-preserved human remains ever discovered in North America.