The 606 is a decade in the making.

Cemetery featuring rare glass-fronted columbarium.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A lush green oasis in the middle of Chicago.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

Amsterdam's former hotspot for public executions and dissections.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

The attic of a four-century-old canal house hides a clandestine church.

A small, emotionally charged room inside the Mario Testino Museum dedicated to Princess Diana and one famous photo shoot.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

The large collection of pre-Columbian pottery might make you blush.

This unusual lava tube spouts seawater during high surf.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

The romance of early commercial flight still fills this Art Deco destination.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

At 207 feet, one of the world's longest continuous escalators.

The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.