A room in New York City that contains 250 cubic yards of dirt.

Home of the Daffodil Festival, Castle Craig, and a ghostly hound.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

This park is home to a massive bird sanctuary. And maybe buried treasure!

This slender three-story building has also had several famous residents.

Spectacular secluded inlet with clear waters flanked by limestone cliffs.

See Malta’s history through the recreation of scenes of torture using life-sized mannequins in a former medieval dungeon.

People have been making salt here using traditional methods for centuries.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

These sprawling military housing quarters from the 1960s are now defunct and hidden in plain sight on Malta’s Mediterranean coast.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

This one-of-a-kind convent boasts a kaleidoscopic exterior of stars and double-headed eagles.

A mysterious, abandoned Chinese building in Mexico pays homage to the area's East Asian immigrants.

These azure waters were thought to lead to the Mayan Underworld.

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

These mosaic designs promise a cure for headaches, toothaches, and colds.

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

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A King Kong-like gorilla hangs from the top of this commercial building in Tokyo.