Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The world's brightest bioluminescent bay.

The first and only carousel with a lineup entirely of insects.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Two mermen, eternally spitting into each other's mouths.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

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

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

2300-year-old Roman road connecting the empire.

Thousands of well-dressed mummies below a monastery.

A 16th-century horror show built in a lovely Italian garden.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The oldest Methodist church in the United States has been spreading the good news for over two centuries.

The most confusing clock in New York.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

An artist's cute bronze subway sculptures belie his violent artistic past.

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.