A memorial to a giant seabird that was hunted to extinction.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

An unexpected canine grave atop a mountain.

A desert that evokes the surreal.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.