A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A Balinese resort, empty and trapped in time.

Stunning examples of Russia's 18th-century wooden architecture.

The floats housed in this hall are more than 100 years old, and are brought out for an annual celebration.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

The rusted remains of a victim of Hurricane Ike.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A fifth-century temple improbably built into the side of a cliff.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

Forgotten German bunkers in China create a sharp cultural contrast.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

Venice's "Island of the Mad."

New York City's only preserved family home from the 19th century.

A formerly abandoned mental institute, now back in business.

"All Mountains - All The Time."

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

An extraordinary mixture of natural beauty and man-made phenomena.

Turkish adventurer antiques in the heart of the Grand Bazaar.

A canvas of crops grow from vibrant red soil in this terraced farmland.

The loneliest island in New York.