This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Colorful and chaotic stacked hotel in North Holland.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

A monument to the conquistador became increasingly controversial in the very city that he founded.

This space-age looking obelisk rises over a city in the rainforest, meant to resemble the local castaña tree.

A Christian monastery stands on what was once a holy Incan temple.

The Incas turned this ancient Wari aqueduct into an imposing defensive gate.

This high-Andean reserve protects the graceful vicuña that was nearly hunted to extinction for its precious wool.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

The sophisticated hydraulic system of the Nazca civilization.

A kitschy Italian medieval-style castle incongruously located amidst one of the most historic towns in the Peruvian Amazon.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The large collection of pre-Columbian pottery might make you blush.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

A pretty park of over 1,600 olive trees that grew from just three saplings brought over from Spain.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.