Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

French commune at the heart of conspiracies.

Small French town or alien garage?

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

A cluster of granite granaries perched on stilts.

Elaborate tile work in this railway station tells the story of Portugal.

The best place in the world to buy tinned fish.

The stunning interior of this Gothic church is covered in ornate gold details.

This small chapel is built of human bones and decorated with a golden skeleton.

This incredible narrow-gauge mountain railway was created by a ceramic artist.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Handcrafted thermal spa washes away each night with the tide.

The premier place to experience the Victorian imagining of the steam-powered future.

Highly spherical boulders on the shores of New Zealand.

This unusual rock formation looks like an apple that has been neatly sliced in half.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.