One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

A whimsical monument deep in this park commemorates the groups that helped build it.

A park full of outsider art, created by college students studying outsider art.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

This park contains a number of standing stones meant to heal and inspire.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Series of storm drains connected to a dark urban legend.

One of the world's largest model railroads is a mind-boggling achievement.