Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Traditional 11th-century outdoor tannery.

The oldest known university in the world is in Fez, Morocco.

Crumbling necropolis set high above Fez.

God's Saharan sandbox of wrath.

One of the most spectacular canyons in the world.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

The oldest continuously operating Catholic school west of the Mississippi.

A middle school sports field that many believe was the true location of the first successful powered flight - and not by the Wright Brothers.

The first U.S. town to secede from the Union, only to vote themselves right back in.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A men’s restroom became a sandwich shop.

The Boston square dedicated to the dark poet who was born nearby.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

This historic Boston building has gone from personal estate to porn theater and back again.

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

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

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