Along a coast that sees the annual migration of humpback whales, a geological formation that takes the shape of a whale’s tail.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

Stand astride the International Date Line in Fiji, with one foot in two different days.

A moai decorated with the depiction of a European ship.

This solitary convex mirror sculpture at an abandoned ferry station at the edge of a fjord reflects the scenery back at the viewer.

This roadside attraction looks like a flying saucer parked atop the tundra.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

During the renovation of this bas-relief, the constructors added one unusual element.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The site of the first battle of World War II.

A haunting deserted hotel is a favorite with artists and photographers.

Gdańsk's lion mascot features in a trail of bronze sculptures scattered all across the city.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

An unassuming secret door once led to a legendary watering hole.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

Most-visited and most-photographed slot canyon in the American Southwest.