One of the smallest bookstores on the planet.

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

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

Get in line for Lisbon’s most famous sandwich.

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.

This labyrinth was designed to help visitors focus and meditate.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

The oldest liquor store in the country is a model of resilience and mischief.

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

This bridge is haunted by the ghost of a distraught mother.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This structure among the trees was the result of divine inspiration.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

An ode to "The Queen of Appalachia."

Commemorating the spot where the famous scientist fed his pigeons.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A Gothic-style abode built to accommodate the church's three resident peacocks.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

The "Seinfeld" diner.

The abandoned personal amusement park of the King of Pop.