The giant Siberian crater known locally as the "doorway to the underworld" is expanding every year.

A Catholicism-themed restaurant where sacrilege is on the menu.

Trace the history of writing at this unusual North Carolina destination.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Visit this odd display of indigenous style in Argentine wine country.

The first pet cemetery in the United States.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

A circus legend leaves an unexpected endowment.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

When you get to Magnetic Hill park near the sign, put your vehicle in neutral gear, and watch it roll uphill...

An optical illusion found amid a logged redwood forest.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

The venerated body of a 12th century saint is celebrated each year with the 'Race of the Candles.'

This modern arts center is built around a gem of late-Baroque architecture.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

This 700-year-old street food market features baby octopus and soy donuts.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

This picturesque round lake is said to be home to the legendary Mokèlé-mbèmbé.

This large midwestern cavern features impressive rock formations and an underground waterfall.