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

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

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

The massive machine creates cracking displays of indoor lightning.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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

Over 50 whirling pools left behind from the glacial age.

Three prestigious academic collections come together to create a world-class natural history museum.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Museum dedicated to awful artwork.

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

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

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

A beautiful but toxic fountain of mercury.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

Order cookies baked by cloistered nuns in a 400-year-old monastery.

This small museum tucked within a subway station holds pieces from Madrid's past.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

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

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.