The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Famously misunderstood wonder of the ancient world

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Fortified medieval tower house with lovely roof garden.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The largest and most famous wax anatomical collection anywhere in the world.

Europe’s oldest natural human mummy.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Memorial to the father of the Republic of China.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Watch the newest land on the planet form before your eyes.