This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This boat represents the promise of undiscovered territory, a dream of hope, and progress and freedom for Iceland.

This aromatherapy shop and mini-museum cofounded by the Sigur Rós frontman documents Icelandic history through scents.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

A little sculpture with a large wardrobe.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

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

This house's itty bitty size means no humans allowed.

Dunk your churros in rich hot chocolate on the city’s old “Chocolate Street.”

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A giant donut stands as a popular symbol of Los Angeles iconography.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

This seasonal soft serve shack has been doling out silky swirls since 1951.

A rainbow of kulfi and falooda flows from this Indian-style ice cream parlor.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

A popular tourist cave with a dark past.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

Taoism, Buddhist and Confucianism are all represented in this temple that claims to answer anyone's wishes.