A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Giant topiary dog once played a role in a terrorist bomb plot.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

This small-town pizzeria won the Hollywood lottery.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

Frida Kahlo's childhood home, now a museum of her life and works.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

A former major munitions plant that has been converted into a sprawling art space.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

The last remaining location of a drive-up hot dog stand named after a local pool shark.

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

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The world's oldest soul food restaurant is also one of its best.

The privately owned cemetery that holds room for Washington's finest when they step down from life.