The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The once highest point in China blends symbolic design with a kick of adrenaline.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

The most famous location in China was home to whole dynasties worth of imperial rulers.

More than half of this Indian palace is drowned but it looks all the more spectacular for it.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Sacred Buddhist home of some spiritual monkeys.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Everything from a plane to your own two feet are needed to reach this jungle resort.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Ohio's 19th-century communist micro-society.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

This massive airship factory is so large that it has its own indoor weather.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Deep scars on the earth left by the Ice Age.

The largest earthwork effigy in the world.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.