One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The colorful, smiling concrete silos of Vancouver.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A community gathering place that once housed half-ton tanks and the World's Fair.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

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.

Houston’s oldest continuously-operating Tex-Mex restaurant has been a community hub since 1941.

Originally brought to Texas by Czech settlers, these sweet and savory pastries are an essential local breakfast staple.

The only airport with a people mover system designed by Walt Disney Imagineering.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

In Houston's airport, a cow is properly equipped to jump over the moon.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.