This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

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

The best place in the world to buy tinned fish.

One of the smallest bookstores on the planet.

A garden in Lisbon filled with giant porcelain creatures.

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.”

This charming candle shop has been in business since 1789.

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

The world's oldest bookshop still in operation.

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

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

Kentucky's longest operating jail is now a spooky spot to spend the night.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

If astronomy had a ghost, it would look like this observatory.

One man's goal to be surrounded by color resulted in this enchanting assortment of avian abodes.

Tombstones carved to look like tree trunks are used for multiple generations of family members.

Nature and art meet in this curvy creation

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

To find the "unicorns of the deep" you've got to go downstairs.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

One of the last functioning antique elevators in Chicago.