A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Looming communist pillar with a Czech twist.

A bus with a butt and biceps to put Olympic athletes to shame.

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

University City's quirkiest resident lives in a park named after its first.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

A treasure trove of rare and fine fabrics from around the world.

This spot in St. Louis, marked with a simple sign, has seen more pro baseball than just about anywhere else in the world.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.