Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

At the top of a local ski mountain is a hidden cemetery containing the graves of just two soldiers.

This monument commemorates the only American soldiers to have directly fought Russians during World War I.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

This shallow cave got its name from copious amount of human bones found inside.

One of Detroit’s oldest blues clubs stands in defiance of the passage of time and the city’s shifting fortunes.

The world's oldest operating jazz club has been in operation since May 1934.

This sprawling bookstore spans four floors and has more than a million books in stock.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

Site of one of World War I's most horrific scenes.

A unique museum tells the story of the day-to-day life of World War I soldiers.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.