A natural rock bridge towers above the sea.

Though it is hundreds of years old, the intricate details on this 23-foot rock carving of Buddha have been preserved.

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Home to a collection of drums from around the world that allow visitors to play a tune.

The largest riverfront opening cave in the Ozarks.

A geothermal pool in North Iceland that is said to be the bathing spot of the legendary Grettir the Strong.

A rare memento of a lost Indigenous group.

These lakeside pictographs were some of the first pieces of prehistoric artwork found in Finland.

An unusual waterfall in the Santa Rosa Range, within the Great Basin of Nevada.

Part arcade, part museum, this collection features vintage and modern pinball machines.

The seventh largest spring in the world.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

A historic bridge no one is allowed to cross.

The crypt under this cemetery's chapel was used as a meeting place by Filipino revolutionaries.

It's believed human settlements from the Palaeolithic Age were established not far from this canyon.

Sitting among the tombstones and trees, this anvil tells a story of crowns, conflicts, and craftsmanship.

A nearly century-old amusement park is quietly decaying in a riverside forest in South Carolina.

Exhibits from an island in Lake Michigan are preserved in this hand-built cabin museum.

A brick-lined alley full of public artwork tucked away in downtown Gulfport.

A vibrant colony of rescued wolves and other canids.

Sample Spanish wines under frescoes in a historic monastery of "barefoot old men."

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

Dine inside a giant caterpillar at this community-run eatery.

One of the stops along the fateful journey of the Donner Party.