Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

The best Tiki bar in Las Vegas.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

The massive gardens and office of a Brazilian sculptor.

A Jenga-style cylindrical tower of books that appears to go on forever.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

Located on Guam's south shore, this small cave is named for an ancient and powerful Chamorro Chief.

A beautiful waterway tucked in the corner of a power plant.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

The last standing example of an ancient district's teatime tradition.

You'll find just about anything in this funky Tbilisi flea market.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

Few of the many visitors to this resort town know of its hidden Maya ruins.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.