Site of the largest volcanic eruption in the last 25 million years, one which may have nearly wiped out humanity altogether.

Where cemeteries are carved into the side of cliffs and infants are buried in the hollows of trees.

The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

This Indonesian village was revitalized by a vibrant rainbow paint job.

One native village in Bali lays their dead at the foot of a holy tree whose natural fragrance seems to hide the stench as the bodies decompose.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

A haunting theme park is slowly being swallowed by the jungle.

Massive galleon from a box-office bomb docked in Genoa.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

The relics of dozens of martyrs are stored in a single chapel.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A fountain standing as a testament to a doomed alliance.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A marvel of Byzantine engineering under the streets of Istanbul.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.