This sprawling Belgian fort was once thought of as impenetrable but now it is simply an abandoned relic.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

A modern reimagining of a medieval city gate.

A monument commemorating how a frontier town got its unusual name.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

The building stands within a quiet, postcard-perfect New Mexico village.

This spectacular track has run continuously since 1882.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A cemetery full of touching tombstones from a community of railroad workers, uranium miners, and Cold War missile launchers.

The fifth-longest natural arch in the world, and the longest outside China.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This 135-year-old weather station studied the effects of the climate on human health.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

Where the lovelorn find a home for their sentimental keepsakes.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.