A first-of-its-kind circular bridge for cyclists.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

This monument sits at the foot of a mountain from which legend says enslaved people jumped to their deaths.

Dive into an undersea optical illusion off the coast of Mauritius.

A bike traffic circle showcasing the works of local graffiti artists.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

A beautiful maze marks where three countries meet.

The tallest mountain in mainland Netherlands isn't actually very tall.

People have been placing babies on these lilies for photoshoots since the Victorian era.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

An ancient Egyptian temple sits within a modern European museum.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

A memorial commemorating the man whose name became synonymous with taking a picture in the Netherlands.

These bronze statues depict the early days of trading in Singapore.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

This sea stack in Cyprus is traditionally seen as the birthplace of the goddess Aphrodite.

An ancient necropolis of magnificent tombs.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

Model trains whizz around an extensive room-sized diorama of Kyoto City.

The world's first floating farm is staffed by one human, three robots, and 35 cows.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

One of few vertical lava tubes in the world accessible by foot.

The only airport with a people mover system designed by Walt Disney Imagineering.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.