This amazing collection includes rare stamps from around the world, including fluorescent ones.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Cathedral carved out of salt, located a mile below the Earth's surface.

Known as the site of 'El Dorado,' this mysterious lake is rumored to hold gold beneath its waters.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

An ancient capital city that dates back 3,000 years and harbors many surprises.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This small-town pizzeria won the Hollywood lottery.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The land is home to swimming ponies and a legendary 18th-century treasure.

These unusual rooms on wheels are holdovers from the 1960s.

A former major munitions plant that has been converted into a sprawling art space.

This pun was simply waiting to come to life, and one defense contractor made it so.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

A celebration of Colombia’s premier contemporary artist.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A tall karst islet popularized by 007.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

An abandoned relic of the city's failed experiment with below ground transit.