Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

A gigantic collection of teeny, tiny books.

Hundreds of people walk past this palm tree every day without spotting its secret.

This Western Australian mint was established during the height of the Australian gold rush.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

An alien church provides much needed silence in the midst of a Finland shopping center.

This sacred fig tree with a link to the Buddha is one of the oldest human-planted trees in the world.

This elaborate temple was built around one of the Buddha's teeth.

A museum dedicated to the history and exploration of both popular music and science fiction.

The first park built over a freeway is a brutalist masterwork.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

This working class sculpture pounds his hammer all the livelong day.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Most-visited and most-photographed slot canyon in the American Southwest.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.