Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

The colonial city's social history is reflected in its fanciful door knockers.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's tribute to its thankless civil servants.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This church is named for one of the most dramatic tales in the early Christian church.

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

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

A more chill but no less fascinating version of the famous ancient archeological site.