A magically clear, blue river that seems to spring from nowhere.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

A hotel in Taiwan based on the better business practices that can be gleaned from Jewish law.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

A history of heat is on display at this unique Austrian museum.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The tangled roots of a giant banyan tree have fully reclaimed the ruins of this abandoned warehouse.

Massive, unfinished broadcasting station stands as a monument to the fall of communism.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

Ancient man-made caves underneath small town Belgium.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

A Cold War command center is hidden under an idyllic countryside.

Because sometimes you need to make a batch of frites even when the stores are all closed.

When you're a great Russian Tsar, even your vomit gets a statue.