This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

This stunning concert hall has become a symbol of Iceland's national recovery.

This beautiful, historic church looks like something out of a simpler past.

This historic cemetery was inaccessible for several years due to dozens of land mines.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Glass and concrete building designed by Albert Kahn.

This cemetery features modernist statues as strange as its name.

What happens when you cross a mayor and a painter?

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Bridge that died in war and was resurected.

A geological oddity topped with a 2,000-year-old pagan temple.