This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

Tel Aviv's popular neighborhood went though endless waves of transformation.

Built by a king and rebuilt by an emperor, this aqueduct transported water for 1,200 years to this ancient Mediterranean hub.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

One of the world's tallest statues is also one of its most hated.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Palace where the nearly un-killable Rasputin was murdered.

This effigy of Peter the Great is greatly disproportionate.

An ingenious solution to a tricky engineering problem, this spiraling bridge takes drivers for a dizzying spin.

Fanatical collections of vintage toys, dolls, clothes, and objects.

The largest of the Fuji Five Lakes is home to an impressive swan population—some real, some with paddles, and one with an observation deck.

This glass wall is gradually filling up with paper cranes, in honor of Hiroshima’s past and dedication to its future.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Peace Park and the Atomic Bomb Dome.

An eerie reminder to the horrors of World War II.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

A raised Japanese building has preserved 8th-century artifacts for more than a millennium, earning this log cabin a reputation as the "world's oldest museum."

Visitors to this temple are greeted by a massive collection of wooden dolls said to bring good fortune.