A subterranean display of public art and architecture.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Beautiful public park off the beaten path and away from tourists.

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

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

This giant mural of Santa Muerte in downtown São Paulo reminds passersby of their own mortality.

The bookstore with bookshelves built into unlikely places.

The crypts are so large they're basically their own underground church.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The 10,000 Torii shrine.

A beautiful 62-acre Catholic shrine and botanical garden.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Walk 2,300 feet above the ground on the "Troll's Tongue."

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

360° views of the city plus five floors of optical illusions and hands-on science.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The most visited, and possibly most controversial, museum in Germany.