Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

A suspended garden, now gone, once hung in the middle of this abandoned church.

Display that gathers the basic elements of the universe in one convenient location.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The beams of the New College, Oxford dining hall come with an amazing story.

Native Americans built this circle of stones, which was used to predict astronomical events.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

An ancient Viking village in North America that predates Columbus by 500 years.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

A monument to the center of the North American continent may be off by a few miles.

A 30-acre garden inspired by the principles of modern physics.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Northern Ireland's Brobdingnagian stepping stones.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This stately estate house features a tower covered in a bright, modern mural.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The clock that sets them all.

Monasteries on rock pillars, once accessible only by frayed ropes.