Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

Antique frame collection with 2,400 frames.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A collection of abandoned typographic signs from Berlin and beyond.

On the edge of grassland in northeastern Colorado, these rock formations are some of the few remnants of a high plain that has eroded away over millions of years.

Roaming bison and a spectacular view at the highest point in Nebraska.

Stone age urban planning.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

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

This memorial park stands on the site of one of the largest mass executions of the Second World War.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A Roman monument to their own civil engineering prowess.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

These crumbling Latvian forts make for some haunting seaside ruins.

This Communist-era residential block is one of the longest residential building in Europe.

The site of the first battle of World War II.