Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

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

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.

Extraordinary sculpture garden created by an eccentric English poet.

This botanical garden boasts sculptures, industrial ruins, and an endorsement from the Dalai Lama.

A beautiful example of 18th-century engineering still standing tall.

A sapling of the legendary tree where conquistador Hernán Cortés sat and wept after an Aztec uprising.

A tomb in the shape of a traditional Mexican hat and shawl for the father of modern rancheras.

Meat and seafood are part of the frozen dessert flavors available at these legendary street stands.

Mexico's astounding mummy museum with "the world's smallest mummy."

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.