The old observatory in Copenhagen has a spiral corridor used as a racetrack.

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

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

Copenhagen's celebrated theme park and gardens.

This penis-focused monastery is dedicated to Buddhism's "Divine Madman."

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

This 17th-century mausoleum is topped with an acoustic marvel.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Scholar, adventurer, saint, and instigator of the Goa Inquisition.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A white Buddhist temple with a golden restroom.

Where an entire elephant skeleton, a snakeskin table runner, and thousands of animal remains become art.

A beautiful young girl said to have been buried alive in her coffin…

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A tower devoted to — and modeled after — the Divine Comedy.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A collection of biblical memorabilia.