This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Legend says this sacred tree was a gift from goddess Athena.

Climb to the top of the world's largest seated bronze Buddha.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

A unique set of caves that spits waves back out into the ocean.

This legendary urban waterfall creates a dazzling display of rainbows.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A lush oasis full of vibrant plants and striking geometric displays.

This fountain was once heralded as the largest in the world.

Singapore's oldest Hindu temple.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

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

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.