The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Crossing a suspension bridge above a forest is the only way to reach this 12th-century monastery.

An ancient Thracian city where fire rituals were practiced on the largest cult altar in Southeast Europe.

At this 16th-century monastery in rural Bulgaria, visitors can also spend the night.

A Bibliophile's Dream.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

The beloved home to all publications indie, erotic, and punky.

Beloved bar home to musicians of all eras and reputations.

Internationally known record store and purveyor of "dusties."

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

The final resting place of one of the United States's greatest poets.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The largest cave in Northern Europe.

A stunning silver lining to global warming's gloomy cloud.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

Perhaps the most spectacular grotto along the Algarve coastline.