The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

A line number in Amsterdam that will likely never be used again due to its tragic history.

The roofless ruins of a church surrounded by acres of bucolic farmland.

In the Scottish Highlands, this 13th-century castle ruin is hidden at the end of a farm track.

In Little Caribbean, an ice-cream shop serves up regional flavors, including soursop, Irish moss, and "greatnut."

This wilderness hike to a waterfall has an unlikely beginning in suburban Reno.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

A concrete arrow from a 1920s network of airmail beacons is still preserved at the western edge of suburban Reno.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Atop this arch, during the 16th-century, a sermon was given to those suffering from plague.

The church and nearby castle are all that remains of a medieval village, mysteriously abandoned.

These tall, red sandstone pinnacles outside Moab are often forgotten amid their more famous neighbors.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This vanilla farm serves its crops at an on-site café.

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

The crumbling ruins of an abandoned 12th-century monastery.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.

This magnificent arch is all that remains of a former smelt mill.

Drive up a paved road into "Nevada's Yosemite" for exquisite views and mountain hiking in an alpine setting.

This bomb shelter-themed bar has barely changed since it opened.

This relic of transportation history still stands in this Indiana city.

A unique rock formation that only a few have managed to venture inside.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.