A brutalist gem towering over the heart of Milan.

The oldest church in Mantua was buried for centuries under the facades of other structures.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

The quaint gallery displays works by artists from all across Mauritania.

Thousands of colorful pirogues showcase ingenious craftsmanship at the largest fishermen port in Nouakchott.

This abandoned church in central Lyon is missing its front stairs.

A galley-shaped memorial to the prisoners of an infamous fortress.

A comprehensive museum dedicated to Africa's oldest modern republic.

Just one of the Italian corridors vying for the title of the country's narrowest.

Ride the rails on a train harkening back to a 19th-century marvel.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This Liberian resort offers comfort, ecofriendly hospitality, and a mission of sustainability.

Legend says the only thing buried within this magnificent tomb was a dog.

This poignant art installation raises awareness of violence against women.

This unique religious structure is an architectural gem with arresting ocean views.

In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

For those late-night mollusk cravings.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.