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

These two delightful animal-shaped buildings host a visitor center and wool shop.

The premier place to experience the Victorian imagining of the steam-powered future.

Highly spherical boulders on the shores of New Zealand.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

One of the world's steepest streets seems to have houses sliding down it.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

A glacier pocked with ice caves and surrounded by rainforests.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Tubing through a cave lit with glowworms is a magical underground experience.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

A self-funded cemetery with a long list of inhabitants.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

A little known Colombian theme park of giant curiosities.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

Cuba's historical trains remind natives of their country's sugary sweet past.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

An ancient tunnel in Jerusalem built to redirect water in the event of a siege is one of history’s great architectural innovations.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.