This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A reproduction of earth's many biomes.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Famously misunderstood wonder of the ancient world

The 10,000 Torii shrine.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A Bibliophile's Dream.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."