A bizarre house filled with an astounding array of collections.

This replica of the Greek structure is in the heart of Nashville.

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

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

See massive fossils that are over 200 million years old in northeastern Arizona.

What happens when a sculptor has to find a way around a 100-year-old copyright.

The site of Paul Revere's historic two lantern warning.

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The second oldest continuously operating bar in Louisiana.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

At 207 feet, one of the world's longest continuous escalators.

A monument celebrating the idea of reaching inaccessible places.

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

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The fairy tale castle of the "fairy-tale king."