The place where World War I began.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

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

A war-torn Olympic relic is being overtaken by graffiti and nature.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A speakeasy takes on Chicago's drinking culture.

A lush green oasis in the middle of Chicago.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

After decades of neglect, a brutalist icon is getting new life as an eco-friendly hotel.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

Ruins of a historic medical facility sits eerily by the water.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This small-town Connecticut restaurant gives each diner a free book from its vast library.