A war memorial that appears to ascend from its forested setting.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Millions of numbers carved in glass represent the tattoos forced upon victims.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

An eccentric inventor's castle home with its own indoor weather system.

The Boston square dedicated to the dark poet who was born nearby.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Sip cherry liqueur at a bar dating back to 1840.

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

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

This giant sculpture made of trash is a critique of society's wastefulness.

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

Portugal's National Pantheon has a history of curses, collapses and financial problems.

Ancient catacombs form the foundation for this Rococo orgy of a church.

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

A hidden three-foot-wide house separates these two regal churches.

The best place in the world to buy tinned fish.

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