This underwater sculpture park is the basis for a manmade coral reef.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Southern Italy's spinning top village.

The sunlight passing through the opening of this huge cave system creates a magical effect.

Wander through the Corridor of Wonders in these stunning limestone caverns.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

A long-buried ancient ruin unearthed right in the middle of the city.

This 10th-century seaside abbey holds spectacular views and a window into the past.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

An ancient artistic garden parlor full of hidden water wonders.

This Volcano-like rest area was designed by architect Giulio Ceppi built according to energy efficiency and ecological footprint standards.