The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

The 30,000-volume library is one of the world's most impressive poetry collections.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Palace where the nearly un-killable Rasputin was murdered.

Immortal combat in a Moscow museum.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

An enormous, inside-out glass globe built in 1935.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

White beach sands made of the remains of tiny, star shaped creatures.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A psychedelic labyrinth on the San Francisco bay.

The subtle science of a master molecular gastronomist.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A new kind of theme park for adults off the Las Vegas Strip.

The world's brightest bioluminescent bay.

This Stockholm light tower can be controlled by anyone with a smartphone.

This picturesque mansion has gone from opulent ruin to nature museum.

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