The little bear in the "funny kind of hat" has made his way from London back to Peru.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Death rituals and sacrifice inside a Peruvian megalith.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

An extraordinary mixture of natural beauty and man-made phenomena.

Tour the original street level of Port Angeles, buried underground in 1914.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

A open air theatre built on a cliff by an eccentric British woman.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This house's itty bitty size means no humans allowed.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Balconies that have a most unusual accent.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.