A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Permanent exhibit reminds visitors of the Exxon Valdez.

The king of U.S. high points towers over every other peak on the continent.

A historic freight system that found the true gold rush is in tourism.

A tiny wilderness cemetery commemorates the deadliest episode of the Klondike Gold Rush.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

An underground city of salt.

A futuristic, brutalist masterpiece that is also strangely prison-like.

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

A striking symbol of the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

Oriental bazaar in the heart of Sarajevo.

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

Bridge that died in war and was resurected.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A church of bones, decorated with 40,000 human skeletons.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.