An ornate Thai pavilion in the middle of Sweden.

This spooky road cut through a mound of ancient coral might be haunted by a witch.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

A sophisticated astronomical tower built by one of the greatest Persian scholars of the Islamic Golden Age.

Light still pours into the ruins of this ancient Islamic observatory.

This ancient Chinese observatory still contains early astronomy technology.

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

Stockholm's last remaining paternoster elevator.

The single richest source of elemental discoveries in the world.

Crooked windswept pines give this old forest an enchanted and magical look.

An otherworldly, fossil-rich cobble beach holds Viking graves, cairns, and other remains.

A floating underwater hotel, created by a Swedish artist.

This patch of land is home to Sweden's largest burial mound, allegedly belonging to a mythical king.

This 2,000-year-old stone maze is one of the oldest in the country, but its purpose is still a mystery.