This tiny island in the South China Sea is crawling with venomous sea snakes.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

This mysterious cross appeared on a farmer's lawn in 1972 and has been attracting pilgrims ever since.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.

The highest point in Belgium is a staircase to nowhere.

This small window display is dedicated to the noble carrot.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

A striking 12th-century-style castle built on the edge of a cliff.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

Handcrafted thermal spa washes away each night with the tide.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The once and future home of New Zealand's famed Pink and White Terraces.

Deadly scalding and one of the largest hot springs in the world.

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

The platform atop this verdant volcano was built with the help of a royal elephant.

No need to strap in for a “ride” on this walkable roller coaster.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

The narrowest street in the world is in danger of closing up entirely.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.