An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

A dangling church built over a Colombian gorge.

The remains of the worst military aviation accident in Canada's history.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

The Andean town where every single building is decorated with a brightly colored frieze.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

It took 160 years to complete the most ornate church in Ecuador.

Lebanese castle built by one man, over a lifetime.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

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

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

A historic bridge with a lovely acoustic anomaly.