The hallucinogenic center of the ancient world.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

One of the few institutions in the United States devoted to the art of decorative bird carving.

Watch butterflies take flight before you fly.

These markers are used to determine the ground stability of the Strip.

This historic hotel invented the chocolate brownie.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Alexander Hamilton’s creation caused quite a bit of controversy.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Art Deco stylings conceal the true nature of this bridge.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This coffee shop lies hidden beneath a historic church.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

Single runway interrupted by a busy road that cuts across its middle.

The walls and streets of the ancient city are peppered with penises.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A historic freight system that found the true gold rush is in tourism.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.