An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Experience the life of an 1800's lumberjack at this interactive museum that is only accessible by railroad.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

What do a giraffe, an elephant, and reasonably priced steaks have in common? This roadside restaurant filled with exotic taxidermy.

An open air haven for tropical monkeys in the damp moors of the English country.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This small primate research island is teeming with playing, fighting wild monkeys.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.