One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

A barbarous band of serpents guard the bases of these Aztec temples.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

These winged Maya figures are the subject of speculation and conspiracies.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

The singular ruins of a mysterious lost city.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The ruins of an ancient pyramid built by the mysterious Chupícuaro civilization.

This church carved into the rocks is full of enchanting stone statues.

The house where a Danish physicist discovered the connection between electricity and magnetism.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

Three million year old fossils are exposed for all to see on this Icelandic shore.

A little-visited waterfall in an otherworldly landscape.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Climbing Iceland's highest peak on the rim of the Oræfajökull volcano.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

Climb right into the heart of this colorful Iceland volcano.

A winding, blood-red tunnel of hardened lava navigable by foot.

Walk in the footsteps of the gods and straddle two tectonic plates.

The world's oldest bookshop still in operation.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.