A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The second tallest railway trestle bridge in America.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Flamboyant architecture from the turn of 20th century.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

These warring psychedelic crags commemorate an unsuccessful military operation.

Space-age monument to an early 20th-century uprising.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Moscow's imposing monument to the Space Age.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A small town Romanian cemetery filled with darkly humorous gravestones.