The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This bone-filled cave got its name after they found 140 bear skeletons inside.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

New Orleans' famous cemetery, located on the site of a former race track.

"They died with their boots on."

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

Established in 1925, Kiddie Park claims to be the oldest amusement park in the U.S. - a cozy little time warp nestled in a shady corner of the modern world.

This lava formation earned its whimsical name from the log-like formation of it stones.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Home to the deepest rift anywhere on Earth.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

The remains of the first saint from Alaska in the Russian Orthodox Church.

Open day and night, a church with three pews and Bibles.

The ghostly remains of what was once the world's richest copper mine.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Permanent exhibit reminds visitors of the Exxon Valdez.

A trading post in the North Pole where children send letters.