One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

Part of a secret 1970s nuclear defense program is now open to the public.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

A Mormon place of exile in Missouri.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

A military museum and library dedicated to the citizen soldier.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The 30,000-volume library is one of the world's most impressive poetry collections.

A wonderfully curated used bookstore in an airport.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

These abandoned grain silos and tunnels are an urban exploration dream.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

This cemetery is all that remains of a school for "wayward" girls.