The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The world’s largest Masonic temple was saved by the White Stripes.

The bones of an old zoo crumbling in the shadow of a new one.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

A lonely stone-sided terminal stands next to a grass airstrip on Michigan's Leelanau Peninsula.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

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

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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.

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

A hacienda that features all things uniquely Yucatán.

Iconic red and white plaques show the creative names invented to navigate the city streets.

These enigmatic columns tower over the ruins of an ancient Toltec city.

A lavender labyrinth so large it’s visible on Google Earth.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.