Perhaps the most spectacular grotto along the Algarve coastline.

This beloved roadside attraction welcomes visitors with his signature neon smile.

The humble beginnings of one of America’s greatest songsmiths.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Yo, Adrian!

One woman's Viking Castle on Lake Tahoe.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The second oldest continuously operating bar in Louisiana.

A huge boat-shaped hotel with a blood red pool and other oddities.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

The bookstore with bookshelves built into unlikely places.

This park feels like a lush little jungle full of wildlife nestled within São Paulo.

This singular art museum in São Paulo is unique inside and out.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

This necropolis is home to eclectic funerary art and is the final resting place for much of the city's nobility.

Dozens of vintage puppets are displayed in an unassuming hallway at the public library.

An enigmatic mural hiding in plain sight in one of São Paulo's busiest metro stations.

This somber statue remembers the enslaved women who were forced to nurse their owners' babies.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

This public elevator links the lower city to the upper city of Salvador.