This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

These little-known sands dunes are a geological anomaly in Saskatchewan's southern prairies.

Locals call this magical moss-covered walkway the "Emerald Path."

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

Rare recess caves fill this unbelievably beautiful Ohio park.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

One of the cave cities of Crimea, built by the Goths in the sixth century.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.