The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Walk the whole Mississippi River!

One of the best examples of Art Deco architecture in the United States.

An acoustic anomaly with a mysterious cause.

Perhaps the most spectacular grotto along the Algarve coastline.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

This abandoned five-star hotel is now a five-star urban exploration destination.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

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.

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

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

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

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

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

One of the smallest bookstores on the planet.

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

This charming candle shop has been in business since 1789.

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

The world's oldest bookshop still in operation.

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

A 19th-century mansion houses the largest collection of gin in the European Union.