This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A unique seaside cave where Aleister Crowley faked his own death.

This oddly shaped church resembles a rocket.

Eat the ultimate iteration of Portugal's most beloved pastry.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The world's oldest bookshop still in operation.

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

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

The largest tidal whirlpool in the Western Hemisphere.

A full-scale whale and a minted coin honor a life that changed the Bay of Fundy.

A small Canadian town founded as a refuge for Loyalists following American Independence.

Despite being dead since the 1970s, this Canadian tree is kept upright and intact by adoring locals.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

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

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

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

The arch marks the beginning of the road for northbound travelers.

Nestled near the mountains of western Canada resides this behemoth earth mover.

A hat for every occasion can be found in this British Columbia haunt.

A colorful hidden village of the fair folk.