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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Elevated freight railway turned wildly successful urban park.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

These spooky and unusual stone formations create an underworldly landscape.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Model Trains and Much More in Hamburg.

The bears of Bern have been a city highlight for over 500 years.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This artistic fountain display pays homage to this area's theatrical history.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

Though it may look like a businessman's lost luggage, this case suspended under a highway bridge is actually a contemporary art installation.

Vines grow up the metal bars in this public park created from an old machine factory.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.