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

Three columns of volcanic rock shoot out of the ocean.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Medicinal spa created with the discharge from a geothermal energy plant.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Abandoned Nazi train station turned underground astroparticle laboratory.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

Sanctuary on a ridge near an ancient shrine to a "Black Madonna" built by the founder of Opus Dei.

12th-century holy complex shares land with a natural park full of heavenly waterfalls and raptors.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

A wonderfully kitsch bookstore the size of a supermarket.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Theme park featuring miniature replicas of European monuments.