When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.

One of the largest trees of its kind in California.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

A bright little alley in La Boca is a part of tango history.

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

Crumbling necropolis set high above Fez.

Traditional 11th-century outdoor tannery.

The other side is actually green.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A historic scientific breakthrough that crosses nine borders.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The "Little Ones," show Portugal in full miniature splendor.