Giant marble phalluses on the sacred island of antiquity.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

This legendary city has been a tourist attraction for centuries.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

A monument to Cuffy, a rebellious enslaved person who became a national hero in Guyana.

An abandoned colonial French prison notorious for its hellish conditions.

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

The soaring gondola lines form the longest aerial cable car system in the world.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

It took 160 years to complete the most ornate church in Ecuador.

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

An Ecuadorian haberdashery that sets the record straight about the so-called "Panama" hat.