Amsterdam's former hotspot for public executions and dissections.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

California's own majestic geyser is powered by a subterranean volcano.

A local dialect born in the late 19th century is only spoken in this isolated California valley.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

This ossuary is more than five centuries old and is heralded as one of the finest in Switzerland.

Pasadena glamour turned government issue.

A Masterpiece with a Tragic History.

One of the largest Buddhist communities in the West sits on the site of an old hospital.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

The real faces of Venice beach captured on Romanesque columns.

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

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

Now containing the bones of the actual conquistador, instead of someone else.

A Christian monastery stands on what was once a holy Incan temple.

It took 82 years and four different plaques to finally get the story right.

A fascinating little museum all about the rich history of Peru’s famous plant.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

Sleep in a glass pod dangling off a cliff.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.