The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

The most northerly active sand dunes in the world have some very rare botanical residents.

The rusting hulk of a 250-foot-long merchant vessel remains where she grounded on the shore of Hudson Bay.

A crash site in the heart of polar bear territory has become a beloved local landmark.

This former outpost was designed to protect the lucrative fur trade of the 18th century.

A shop for all your magical needs and notions.

One street divides a single town that stands in two U.S. states.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Hidden amid a collection of trails is the site of a tragic crash.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

More than five miles of underground passageways.

Explore a remarkable 35-hectare sculpture garden located an hour outside of Lisbon.

Railroad came. People came. Railroad left. Town died.

An ornate Buddhist temple located in an Atlanta suburb, built by and for the Laotian community.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.