Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

This ancient Silk Road outpost overlooking the Wakhan Valley is miraculously still standing.

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

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

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The bears of Bern have been a city highlight for over 500 years.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The longest living non-clonal organisms on Earth.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Rippling sand dunes frozen in the Arizona rock.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

World's largest Christmas store.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.