One of the few surviving examples of the first lock and dam system built on the Ohio River.

Taos Pueblo recipes, foraged ingredients, and outdoor ovens define the menu at this eatery.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A sacred Ojibwe site covered in pictographs next to Lake Superior.

These Bullet-scarred bunkers are haunting reminders of the Spanish Civil War.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

These roaring primates were considered a divine creature in the cosmology of the Maya.

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.

This hidden pre-Columbian rock art depicts a whale hunt.

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

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

A beautiful little bookshop located in the middle of a desert.

This 5,000-year-old tomb once had its own hinged door.

This theme park presents 5,000 years of Shanghai history and includes a "sunken" exhibition hall.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Take a dip beneath the stalactites in this amazing cenote.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

This risky summer festival honors a historic volcanic eruption.

The abandoned coal loading dock is a canvas for unsanctioned art.

Between Missoula and Spokane, a family-owned travel center has an unusual museum in the back.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

Get hands on with the technological marvels of the Classical world.

Japan's longest-running music festival takes place on an isolated butterfly-shaped island.