This crack in France's seaside cliffs once hid a sinister secret.

If they push on just the right spot, even the weakest person can move this titanic boulder.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

A closer look at this somewhat faded hotel by the Corinth Canal reveals the architectural undertones of a genius.

This magnificent white pagoda was constructed to resemble a sacred Buddhist mountain.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Featured in one of the most iconic scenes in cinema history.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

These 5,000-year-old cave paintings provide a glimpse into prehistoric Finnish life.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A man-made island in scenic San Francisco Bay.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

After the construction of a nearby cathedral obstructed the view, the oldest belfry in Belgium was more than doubled in height.

The Incas turned this ancient Wari aqueduct into an imposing defensive gate.

An out-of-place slice of France, smack in the middle of Shanghai.

These temples are among the oldest free-standing stone buildings in the world.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

The reconstruction of this prominent building fulfilled a long-written command.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.

Remnants of the city's Soviet history hover over this modern fast-food outlet.