Trails

A prehistoric route that has claimed many victims is now closed to traffic.

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

A cable-suspension footbridge that hangs high above the Mill River.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

This set of hot springs also comes with fantastic views.

These cascading falls resonate throughout the Bulgarian forest.

In Parr Park, thousands of painted rocks line this walking trail.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

A once-booming railroad left abandoned next to the Quinnipiac River marshes now intersects with a hiking trail.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

A collection of Inukshuks built and left by several hikers.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

This little-used trail winds through the highest mountain range in central Nevada with sections around 10,000 feet.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

The longest hiking route on the island of Java leads to this inactive volcano.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.