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

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

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Take a drunken tour inside the world's largest known geode.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

The only remaining U-boat that is still floating never actually saw any action in World War II.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

This state park was once an important Native American cermonial center.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Carved faces add a touch of magic to this island's impressive oak trees.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Four metal statues of massive animal penises stand outside the university's Animal Sciences building.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A building so large that it has its own weather.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A haunted hill that supposedly defied gravity.

A place for ship-lovers to watch the passage of freighters traversing the Great Lakes while learning about their history.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.