This charming candle shop has been in business since 1789.

One of the smallest bookstores on the planet.

The world's oldest bookshop still in operation.

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

Sip cherry liqueur at a bar dating back to 1840.

The crumbling ruins of an abandoned 12th-century monastery.

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

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

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

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The oldest private art gallery in all of Hungary.

This building has survived for more than a century and remains virtually untouched.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A forgotten graveyard lost in the tangles of an overgrown garden.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

Moss and stone turn this waterfall into an otherworldly liquid veil.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This metro station doubles as an unintentional paleontology museum.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

This enormous abandoned prison was once dubbed the "Bastille of Romania."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.