This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

Sweden's oldest animated sign is still lighting up the skyline today.

It was meant to help transport wounded soldiers to a secret underground hospital.

18th century opera in its original splendor.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Established hundreds of years ago, Gandan remains the premier Buddhist monastery in Ulaanbaatar.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

One of the world's tallest statues is also one of its most hated.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

Pop culture has helped to keep this iconic British building from being destroyed.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

These small, triangular, colorful houses are a staple of Madeira Island.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A lush oasis full of vibrant plants and striking geometric displays.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The tomb of one of the greatest travelers in history.

Perhaps the most spectacular grotto along the Algarve coastline.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.