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

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

Crafted from ocean litter, this sculpture highlights the ills of overconsumption.

A micronation on an islet along the coast of a Portuguese island.

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

The foundation of this ancient stupa dates back to the 1st-century.

The rocks are a time capsule of a 407-million-year-old Earth.

Home to what was once considered the largest gate in central Asia.

The heartbeat of modern Uzbekistan’s thriving market culture.

Witness traditional silk production in the Uzbek city that's been a hub of sericulture for over a thousand years.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

Ancient barriers wrap around what was once an important stop along the Silk Road.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

One of the smallest bookstores on the planet.

When a conglomerate of visionary startups commandeer a disused Greek Orthodox Church, zaniness ensues.

Early habitat dioramas and home of the elusive gaff, the skvader.

This legendary dessert was served to Nobel laureates for decades.

This building, previously used as a courthouse, has an unusual geological feature in its basement.

An abstract representation of weather in Sweden.

A statue that stood at the center of a long copyright battle.