A clear blue swimming hole with hidden caves, still unexplored.

The eccentric mansion of one of the most popular horror authors of modern times.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A monument to the art of slicing people open.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The angel of death appears to weep black tears at this grave marker.

The first declared National Monument in the United States.

The site of the climactic scene from the classic horror film is now a historic landmark.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Try not to get slimed in Tribeca.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

Test your mettle against the hottest hot chicken in Nashville.

This replica of the Greek structure is in the heart of Nashville.

Journey through various trails to discover a land before time along the Chazy Fossil Reef.

A pair of black granite tails dive into a sea of grass in landlocked Vermont.

The place where the great marine explorer first learned to work underwater is not where you'd expect.