Once a bustling fishing village and trading post, today these Cape Verde ruins provide a home only for seabirds and turtles.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

This Dakar museum exhibits artworks and artifacts honoring the daily lives of Senegalese women.

This tiny, tranquil Senegalese island serves as a powerful symbol of the Atlantic slave trade.

Over 4,700 miles of trees being planted to hold back the desert.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

This deceptively salty lake looks like blushing pink lemonade.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This charming fountain honors Felix Salten, the creator of the iconic storybook deer.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

Artifacts showcasing the witchy history of Zambia.

Hidden in plain sight on a gable between two towers on the roof of shipping firm F. Laeisz' headquarter in Hamburg sits an unexpected bronze sculpture.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

The patron saint of spinsters grasps a container of dried blood.

King Ludwig I's collection of beautiful women.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

A stately palace has been converted into the world's largest cannabis museum.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.