Located in Nairobi National Park, this animal orphanage is the oldest of its kind in Kenya.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Along a California highway is a kind of Jurassic Park made of metal.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Oldest building in California still in use.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

These were the largest wind chimes in the world when artist Tom Van Sant created them for a California mall in 1967.

Try the frozen treat that inspired Arrested Development's famous banana stand.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A former utopian healing center created by a huckster and built by derelicts.

This giant temperature attraction created some giant electric bills.

The "Kill Bill Church" was transformed into a place of worship after a long Hollywood history.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Quite simply the largest tree in the world (by volume).

An unusual bed & breakfast made of papercrete.

With print dying, this local paper keeps the lights on by doubling as a stunning cafe and cocktail bar.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

This quirky outpost and gallery inside a former church is an unexpected trove of handcrafted art.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.