An inconspicuous footbridge beloved by San Diego locals.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A school used as a model for public education across the country.

Millions of numbers carved in glass represent the tattoos forced upon victims.

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

Each August, one of the largest religious (and food) celebrations in the country is held in Boston.

This historic patch of real estate offers a glimpse of colonial Boston.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

Narrowest house in Boston.

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

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

Radical Bookstore and Community Space.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

This excellent museum recreates the boom days of the herring rush in the "Atlantic Klondike."

Europe’s most powerful hot spring supplies the surrounding region with hot water.

This canyon is comprised of gorgeous waters and magnificent basalt columns.

At this museum in Iceland, visitors can sample fermented Greenland shark.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.