Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Hundreds of hidden passageways weave through the old quarters of Lyon.

The blinking light atop the iconic landmark has been sending secret messages for decades.

Every year, the colorful murals of Montreal get a complete makeover.

At a Japanese train station, a goddess emerges from a dumpling.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

One of the biggest markets in Asia, under one of the continent's largest domes.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

Iceland's tribute to its thankless civil servants.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

How did a French journalist’s grave become the sexiest statue in the cemetery?

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

A hidden three-foot-wide house separates these two regal churches.

Four-story concrete hotel never opened to customers.

The king of U.S. high points towers over every other peak on the continent.