One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

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

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

This picturesque medieval monastery guards a small trove of historic treasures.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Abandoned limestone cave was once a sacred place of worship.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

These bamboo and rope bridges cross the Nam Khan River for six months every year.

This ambiguous pig shrine is actually a monument to a beloved queen.

A shrine honoring a legendary ghost bride lies within this vibrant temple.

The bank's whimsical shape was inspired by a child’s toy.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

One man's labor of love, Amman's oldest home has become a time capsule with its doors permanently open to artists and guests.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

A vintage video game wonderland in downtown Reykjavik.

Iceland's tribute to its thankless civil servants.

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

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.