Two stone columns flank the grand Venice square, but there were supposed to be three.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Largest maize maze in the Southern hemisphere built with GPS technology on more than two acres.

Come for the flowers, stay for the bats!

One of Australia's largest secondhand bookstores.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

A clear example of the process of erosion in action.

Occult books, tarot, oddities.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

One of the world's largest Tesla coils.

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

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

Even King Tut was intrigued by the glass of the Great Sand Sea.

The once great capital of Egypt now crumbles forward as evocative ruins.

This famous archeological mystery may be an ancient example of movable type.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Giant marble phalluses on the sacred island of antiquity.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This legendary city has been a tourist attraction for centuries.

The hallucinogenic center of the ancient world.

A spectacular cave and a beguiling lake.