This 19th-century building inadvertently preserved the handprints of its builders within its walls.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Iconic rock formations that allow for exploration during high or low tide.

A tribute to one of the last great singing cowboys.

The world's longest known cave system.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

A giant portrait of an ancient king looms over the river.

After this medieval Serbian fresco was hidden for centuries, an image of it became one of the first to be sent into space.

Macabre astrological automaton clock dating to the late 1400s.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

An ancient Viking village in North America that predates Columbus by 500 years.

A forlorn fishing village on the coast of Labrador, full of shipwrecks and Spanish gold.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Roadside collection of 65,000 signs.

The collection includes seven one-of-a-kind automobiles, vintage fashion, and more.

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

The northernmost international land border crossing in the United States.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.