This former coal gasification plant found a curious second life as a popular public park.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The national park was once a plantation estate.

A mysterious castle built as a monument to lost love.

One part antique store, one part curiosities hodge-podge.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A historic observatory precariously perched at the "Top of Europe."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Elevated freight railway turned wildly successful urban park.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

In Paris, Texas, even Jesus wears cowboy boots.