An ancient city exhumed from the depths of the ocean.

Ozymandias’ time-keeping temple.

An endless sea of white conical domes.

One of the most well-preserved temples of ancient Egypt.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

The final resting place of New Orleans' most famous voodoo priestess.

The United States Capitol's former columns still stand.

The rocks in this arid basin leave trails of movement behind them.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Tucked along a river are enigmatic stone carvings created thousands of years ago.

A lake at the bottom of the ocean.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

A gargantuan crystal kingdom.

Every four years, millions of salmon fill a river so densely that its waters appear deep crimson.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

The history and future of cannabis.

A completely underwater art museum sends a stark message about humans' impact on the environment.

Cliffside houses provide a spectacular view from their perch above the valley.

Bacteria and algae give the salty water its bubblegum hue.