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

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

The Trappist monk, prophet-poet, and rebel never really got to live out the eremitic life he was seeking.

Paths are maintained, but trees have taken over plots.

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

Every week, a festive public jam session breaks out in downtown Asheville.

Rippling sand dunes frozen in the Arizona rock.

A unique geological area spiked with wind-carved rocks that resemble teepees.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

The largest collection of death masks in Ukraine.

This street has over a half-dozen names, all at once.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The grave of Mary Nasson is shrouded by witchy legends.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.