Get in line for Lisbon’s most famous sandwich.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The smallest country in the world.

What once housed a private club catering to Comstock Lode elite is now considered one of the West’s most haunted spaces.

The colossal cartoon man stands outside a Nevada museum.

This former New Jersey bus now exists as a public art exhibit.

This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

A floating cat sanctuary on an Amsterdam canal.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Europe's official "zero-level," the equator of elevation.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

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

For more than two centuries, the canopy of this venerable tree has been a haven for songbirds and lovers.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Eat the ultimate iteration of Portugal's most beloved pastry.

Step back in time at this 19th-century kiosk.

Portugal's National Pantheon has a history of curses, collapses and financial problems.