The winter home of millions of migrating monarch butterflies.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

66,000 pieces of art, donated by one of the world's richest men.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A gargantuan crystal kingdom.

An Aztec snake god has taken the material form of an apartment complex.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

The only way to visit this old resort hotel is with scuba gear.

The world's largest dark sky preserve is a Canadian park established to preserve the country's last wood bison.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

Eclectic musical collection ranging from hurdy gurdies and orphicas to the Rolling Stones Mobile Studio.

An abandoned logging settlement nestled in the woods near a popular ski town.

This vast, pristine wilderness is home to a rare subspecies of black bear.

An operating lighthouse from the 1860s.

At least 14 twice-retired ships were sunk to make a lovely rusting breakwater in Comox Harbour.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

While these wooden totems bear a striking resemblance to First Nations artwork of British Columbia, their actual origins lay on the opposite side of the Pacific Ocean.

Historic psychiatric asylum and most-filmed location in the Great White North.

This Elizabethan hedge maze is one of only six in North America.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.