Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

Longest fortress system anywhere in Europe.

An ingenious solution to a tricky engineering problem, this spiraling bridge takes drivers for a dizzying spin.

Haunted house kitsch meets Japanese folklore at this theme bar where patrons can “die” and have their own mock funeral.

One of the bloodiest and most important battles in Japanese history is recreated with kitschy concrete statues.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

A statue of a mischievous raccoon towers over this city park.

This traditional Japanese-style house doubles as one of James Turrell's colorful works of art.

Constructed thousands of years ago, these stone circles offer incredible insight into the lives of the people who built them.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.

This adorable birdlike police box is designed based on a play on words.

A 14th-century European chapel sticks out of the facade of a Japanese hotel.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

This giant seated Bhudda of Healing dates to the 1780s.

Ruins and statues dot the landscape of this tiny island rich with royal history.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

This temple is steeped in local folklore involving a teakettle and a raccoon dog.

Turn around and stick your head between your legs for the best view of this tree-covered sandbar.

These Japanese ruins have been brought back to life with elaborately recreated buildings.

Though technically an illegal structure, this eclectic DIY apartment complex is beloved by its residents.