This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

The rocks in this arid basin leave trails of movement behind them.

The ghostly remains of an accidental sea.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Dramatic river bend surrounds a natural red-rocked pedestal.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A huge musical instrument played by the ocean.

This street has over a half-dozen names, all at once.

This unique Lady Liberty is one of the only examples of the figure sitting down.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

The largest collection of death masks in Ukraine.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

An Art Nouveau building covered in animal gargoyles and grotesques.

When you've got to go, you've got to go.

The deepest metro station in the world.