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

The frozen treats at this Cape Town parlor are inspired by Africa's food cultures.

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

A 130-year-old urinal is the oldest of Stockholm and perhaps all of Sweden.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

Every Easter, a small Sicilian town builds a stunning cathedral out of bread.

Sweden's largest optical telescope sits on a rooftop in Stockholm.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

The library's graceful rotunda is like a bibliophile's temple.

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

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

360° views of the city plus five floors of optical illusions and hands-on science.

Protecting the dead from opportunistic body snatchers.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

A floating cat sanctuary on an Amsterdam canal.

Museum preserving torture methods from the past.

The world's only museum devoted to the wonders of fluorescence.