Two World War II aircraft lie within the jungle around this abandoned runway.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

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.

This incredibly diverse research station is one of the largest tropical botanical gardens in the world.

The remnants of an archaeological camp stand within Tikal National Park.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

These roaring primates were considered a divine creature in the cosmology of the Maya.

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

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

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A massive collection of petroglyphs dating back some 40,000 years.

Mysterious hillside with a continuously burning natural fire.

A shrine of fire worship built on top of a natural flame.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

A giant bisected onion dome remembers the Iraqis who died in the Iran-Iraq War.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

Lived-in building, bedecked with an astonishing array of mirror mosaics.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.