The house where Good Will Hunting was written is a surreal fairytale abode.

The haunting ruins of Jack London's dream house.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

This “living museum” at UCLA exhibits thousands of plant species from all over the world.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The largest spring in Northwest Arkansas is also home to a sprawling botanical gardens and a historically significant bluff.

This mountaintop refuge rehabilitates tigers, lions, bears, and more from illicit wildlife trade—and offers overnight lodging.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

This restaurant serves wood-fired fare served in a natural cave with a live spring.

The seventh largest spring in the world.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

A wild trout fishery in Arkansas.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.