The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A huge musical instrument played by the ocean.

A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

These ancient ruins hide in plain sight next to a dessert shop.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

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

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

A charming beach town in Turkey captures all the colors of the rainbow.

The ancient latrines of the Greeks, in all their public glory.

Temple complex that once housed the famous statue of Nike.

The partially submerged ruins of a white marble quarry used in ancient Greece for over 1,200 years.

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

The longest continuously operating Elk's Lodge in the country.

America's oldest Italian restaurant is a San Francisco institution.

A library and museum dedicated to typography.

Noble beasts perhaps, but not the Emperor's dogs.