One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The world's largest statue of Mao Zedong looks out over the city where he discovered Communism.

From prostitutes to soldiers to business men, the dead in this graveyard are a microcosm of Singapore's history with Japan.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

The quintessential Japanese rock garden has existed for more than 500 years.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

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

The remains of the dam that unleashed a 15-foot wall of water on Denver.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

This bright pink Gandhi memorial was built so that sunshine hits a specific spot on his birthday.

An extraordinary "City of Caves" carved from solid stone.

The largest statue in the world towers at 420 feet high atop another 66 feet of pedestal.

Two monstrous faces loom over a village in Czechia.

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This egg-shaped treehouse was inspired by "sport sleeping."