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

The tallest stationary dunes on Earth also happen to sing.

A harrowing trail up a mile-high mountain.

One of the world's largest ice festivals dazzles visitors for over a month with radiant sculptures and carvings.

An collection of Chinese propaganda posters from 1949 to 1979.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Breathtaking and huge 430 year old maps of Italy.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

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

Home to three historic ships from the age of Vikings.

Copenhagen's celebrated theme park and gardens.

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

Medicinal spa created with the discharge from a geothermal energy plant.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Roadside collection of 65,000 signs.

Four-story concrete hotel never opened to customers.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

Enormous statue of the Emperor of the Mongols.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.