An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

An unusual structure of stone and glass honoring one of Japan’s most eminent Christian leaders who founded the non-church movement.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

Take in some Air Force history—and ogle some beautiful planes—at this little-known park near Myrtle Beach’s seashore.

This abandoned IDGZ station was one of 49 troposcatter stations in the NATO ACE High network.

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

The second oldest and longest of Delaware's three covered bridges.

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

This historic roadhouse has many tales to tell of San Francisco's early history.

A crash site in the heart of polar bear territory has become a beloved local landmark.

A monument to peace, built by one man over the course of 25 years.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

One of the world's largest swinging bells is a symbol made from the melted aftermath of war.

The remains of one of Wales’ great medieval buildings, with a pub in the cellar.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

From the 1940 Ford Coupe that started it all 50 years ago, this collection of over 150 classic vehicles celebrates the spirit and history of American car craft.

The only natural cave bath in all of Europe.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

This museum-within-a-museum pays tribute to "The World's Most Experienced Airline."

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

Middle-earth in the middle of Switzerland.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

A look into the life of a Victorian-era prisoner.

Huge stairway leads to this massive gallery.