Ship-sized kinetic sculptural fantasy.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Breathtaking and huge 430 year old maps of Italy.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

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

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

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

This remote British Imperial telegraph relay outpost drove men insane.

A marvel of Byzantine engineering under the streets of Istanbul.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A monument celebrating the idea of reaching inaccessible places.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

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

A perfect turquoise lake colored with glacier dust.