Constructed in the 1920s, this former pencil factory is now an office building.

These homes carved into the mountains seem to defy the laws of nature.

The deepest metro station in the world.

A cargo of beautiful music.

A uniquely authentic display of traditional Russian culture.

The tallest hotel in Europe.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The world's second largest single-dish radio telescope, once used to contact E.T.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The history and future of cannabis.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A surrealist timepiece by the artist of melting clocks.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Fittingly, America's museum of architecture is itself a magnificently designed old building.