Legend says this sacred tree was a gift from goddess Athena.

This striking sculpture of Icarus honors Greece's fallen flyers.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

A public display of prehistoric space rocks is named for the Namibian village where they were found.

A shining, cold, black organ lies in San Francisco's financial district.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Walk or bike along a narrow strip of Belgium sandwiched by German territory.

A distinctive former power plant turned university lecture hall looks like it could make you breakfast.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

This stucco building in North Africa was the first American-owned property on foreign soil.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

The rubbery beast is sculpted from recycled materials.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Thousands of colorful pirogues showcase ingenious craftsmanship at the largest fishermen port in Nouakchott.

A massive collection of petroglyphs dating back some 40,000 years.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.