This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Before Nixon, "watergate" meant canals.

Decades before the scandal, this staircase on the river was a literal "water gate."

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

The largest island on the great salt lake is home to curious creatures and strange stories.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

This woodland architectural installation acts as a camera obscura for the heavens.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

This now-abandoned shopping center in Playa del Carmen was built to resemble a medieval European castle.

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

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

A cenote filled with Colonial era artifacts whose waters cannot be accessed.

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

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

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Its sunny hues are believed to have inspired the town's color palette.

A cenote sitting in the middle of a parking lot shows the Yucatán Peninsula at its most urbanized.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Famously misunderstood wonder of the ancient world

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.