One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

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

Pompeii's less famous neighbor is still revealing her secrets.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Stolen goods adorn the organ at Old North Church.

The site of Paul Revere's historic two lantern warning.

"Mock all and sundry things, but leave the saints alone."

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

One of the most controversial statues in Romania is an emperor with no clothes.

Romania's triumphal arch looks out over Bucharest.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.