This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

The ancient latrines of the Greeks, in all their public glory.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The only Roman honorific column in Istanbul.

An Ottoman-era mosque looking over the Black Sea.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

This otherworldly church spire reaches up toward the heavens.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

This giant green head remembers one of America's jazz giants.

A miniature city built by a single hunchbacked monk.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

A natural history museum with an extensive collection of bird dioramas.

A strange history museum, with items accumulated by a pair of globe trotting spies.

What better place to take a seat?

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

In this historic region, homes and churches are carved into ancient volcanic rock formations.