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

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The final resting place of the controversial chess champion.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Walk in the footsteps of the gods and straddle two tectonic plates.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

An encyclopedic collection of mammal penises.

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

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

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

The most impressive of Basel's three remaining city gates.

A futuristic rocket marks the spot where three borders meet.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

One kilometer of thick brass rod laid out before your eyes.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A room in New York City that contains 250 cubic yards of dirt.

The only subway station in the city that still makes use of gap fillers.

The first piece of public art dedicated to LGBT rights.

Those belting out show tunes in this West Village piano bar might not realize it marks the site where Thomas Paine died in 1809.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

A semi-scholarly approach to sex.

A terrific purveyor of natural history objects and curios.

The 28-foot granite map plots the locations of 40 theaters in New York City.