19th century pendulum and a clock restored by a rogue group of guerilla artists.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Couple's personal collection of pinball machines turned public pinball museum.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A lush green oasis in the middle of Chicago.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Ruins of a German Castle on top of a towering stone pillar.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A museum dedicated to the history and exploration of both popular music and science fiction.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Macabre astrological automaton clock dating to the late 1400s.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.