Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Come for the bread-themed puppet show, stay for the buffet.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

This castle has links to Portugal’s founding and struggles for independence.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Elaborate tile work in this railway station tells the story of Portugal.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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

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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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

When in Idaho, sleep in a giant potato.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Most-visited and most-photographed slot canyon in the American Southwest.

On the Oregon coast there is a natural hole that seems to be draining the sea.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.