Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Bohol's mysterious brown hills.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

Sacred waters rescued from the wrath of a volcano.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

Stockholm's narrowest alley is barely over two feet wide.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Breathtaking and huge 430 year old maps of Italy.

The library's graceful rotunda is like a bibliophile's temple.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

Museum preserving torture methods from the past.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Five candy-colored villages on the Italian Riviera.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.